diff --git a/src/data/override.ts b/src/data/override.ts
index 0284982..7d7b79b 100644
--- a/src/data/override.ts
+++ b/src/data/override.ts
@@ -1,5 +1,9 @@
 import type { NZGBSourceData, Ref } from '../types';
 
+export const ALLOW_INCONSISTENT_DIACRITICS = new Set<string>([
+  //
+]);
+
 export const OVERRIDES: Record<Ref, Partial<NZGBSourceData[string]>> = {
   '7006;6879': { name: 'Whanganui' },
   47427: { name: 'Whanganui East' },
diff --git a/src/stage2-preprocess/fetchSouthPoleOsmFeatures.overpassql b/src/stage2-preprocess/fetchSouthPoleOsmFeatures.overpassql
index af2a30d..4c523f0 100644
--- a/src/stage2-preprocess/fetchSouthPoleOsmFeatures.overpassql
+++ b/src/stage2-preprocess/fetchSouthPoleOsmFeatures.overpassql
@@ -1,7 +1,7 @@
 // everything with a LINZ ref south of the -85th parallel
 [out:json][timeout:25];
 (
-  nwr["ref:linz:place_id"](-90,-180,-85,180);
+  nwr["ref:linz:place_id"](-90,-180,-75,180);
   // other queries are injected dynamically:
   /* DO NOT EDIT THIS COMMENT */
 );
diff --git a/src/stage2-preprocess/maybeTeReoName.ts b/src/stage2-preprocess/maybeTeReoName.ts
index 68cbdb3..4de7d5f 100644
--- a/src/stage2-preprocess/maybeTeReoName.ts
+++ b/src/stage2-preprocess/maybeTeReoName.ts
@@ -44,7 +44,7 @@ export function removeEnglishPrefixesAndSuffixes(
   const newName = name
     .replace(englishPrefixesRegExp, '')
     .replace(englishSuffixesRegExp, '')
-    .replace(/ Pa$/, ' Pā')
+    .replace(/\bPa\b/, 'Pā')
     .replace(/\bMaori\b/, 'Māori')
     .trim();
 
diff --git a/src/stage2-preprocess/preprocesOSM.ts b/src/stage2-preprocess/preprocesOSM.ts
index 5906f05..0ea7f2f 100644
--- a/src/stage2-preprocess/preprocesOSM.ts
+++ b/src/stage2-preprocess/preprocesOSM.ts
@@ -89,7 +89,8 @@ function osmToJson(
 
             for (const topLevelTag of topLevelTags) {
               if (id) {
-                if (out[topLevelTag].withRef[id]) {
+                const existing = out[topLevelTag].withRef[id];
+                if (existing && existing.osmId !== feature.osmId) {
                   duplicates.add(id);
                 }
                 out[topLevelTag].withRef[id] = feature;
diff --git a/src/stage3-conflate/compareFeatures/__tests__/compareFeatures.test.ts b/src/stage3-conflate/compareFeatures/__tests__/compareFeatures.test.ts
index e80e376..b64f0f5 100644
--- a/src/stage3-conflate/compareFeatures/__tests__/compareFeatures.test.ts
+++ b/src/stage3-conflate/compareFeatures/__tests__/compareFeatures.test.ts
@@ -54,8 +54,7 @@ describe('compareFeatures', () => {
     ).toBeUndefined();
   });
 
-  // TODO: not sure why this test is failing
-  it.skip('does override name:mi if `name` is being changed', () => {
+  it('does override name:mi if `name` is being changed', () => {
     expect(
       conflateTags(
         { name: 'Ōtāhuhu Creek', nameMi: 'Ōtāhuhu' },
@@ -104,10 +103,25 @@ describe('compareFeatures', () => {
     ).toBeUndefined();
   });
 
+  it('allows the OSM feature to have more macrons if the NZGB has no official name', () => {
+    expect(
+      conflateTags(
+        { name: 'Ōtuwharekai', official: undefined },
+        { name: 'Ōtūwharekai' },
+      ),
+    ).toBeUndefined();
+  });
+
   it('does not apply the above exception for features that have an official name', () => {
     expect(
       conflateTags({ name: 'Puhoi', official: true }, { name: 'Pūhoi' }),
     ).toStrictEqual({ name: 'Puhoi' });
+    expect(
+      conflateTags(
+        { name: 'Ōtuwharekai', official: true },
+        { name: 'Ōtūwharekai' },
+      ),
+    ).toStrictEqual({ name: 'Ōtuwharekai' });
   });
 
   it('allows OSM to use a slash instead of the word "or"', () => {
@@ -378,6 +392,15 @@ describe('compareFeatures', () => {
         ),
       ).toStrictEqual({ natural: 'spring' }); // default preset is suggested
     });
+
+    it('accepts lifecycle prefixes that duplicate a normal key', () => {
+      expect(
+        conflateTags(
+          { name: 'X', type: 'Island' },
+          { name: 'X', place: 'suburb', 'not:place': 'island' },
+        ),
+      ).toBeUndefined();
+    });
   });
 
   describe('exceptions', () => {
@@ -385,6 +408,8 @@ describe('compareFeatures', () => {
       nzgb              | osm
       ${'Saint Martin'} | ${'St Martin'}
       ${'St Martin'}    | ${'Saint Martin'}
+      ${'St. Martin'}   | ${'Saint Martin'}
+      ${'St. Martin'}   | ${'St Martin'}
       ${'Mt Martin'}    | ${'Mount Martin'}
       ${'Mount martin'} | ${'Mt martin'}
     `('accepts an inconsistency between $nzgb & $osm', ({ nzgb, osm }) => {
@@ -395,7 +420,7 @@ describe('compareFeatures', () => {
   it('allows dual names in the name tag', () => {
     expect(
       conflateTags(
-        { name: 'Ōmanawa Falls' },
+        { name: 'Omanawa Falls' },
         {
           name: 'Te Rere o Ōmanawa / Ōmanawa Falls',
           'name:mi': 'Te Rere o Ōmanawa',
diff --git a/src/stage3-conflate/compareFeatures/checkTagsFromFeaturePreset.ts b/src/stage3-conflate/compareFeatures/checkTagsFromFeaturePreset.ts
index 789a560..9f2a8d7 100644
--- a/src/stage3-conflate/compareFeatures/checkTagsFromFeaturePreset.ts
+++ b/src/stage3-conflate/compareFeatures/checkTagsFromFeaturePreset.ts
@@ -32,10 +32,24 @@ function osmRemoveLifecyclePrefix(key: string) {
   return key;
 }
 
+/**
+ * This converts an object like:
+ * ```js
+ * { place: 'suburb', 'not:place': 'island' }
+ * ```
+ * into:
+ * ```js
+ * { place: ['suburb', 'island'] }
+ * ```
+ */
 function stripAllLifecyclePrefixes(tags: Tags) {
-  const out: Tags = {};
+  const out: Record<string, Set<string>> = {};
   for (const [key, value] of Object.entries(tags)) {
-    out[osmRemoveLifecyclePrefix(key)] = value;
+    if (value) {
+      const stripedKey = osmRemoveLifecyclePrefix(key);
+      out[stripedKey] ||= new Set<string>();
+      out[stripedKey].add(value);
+    }
   }
   return out;
 }
@@ -60,11 +74,13 @@ export function checkTagsFromFeaturePreset(
     const tagChanges: Tags = {};
 
     for (const [key, value] of Object.entries(presetToCheck)) {
+      const osmTagValues = [...(cleanedOsmTags[key] || [])];
       const isTagWrong =
-        value === '*' ? !cleanedOsmTags[key] : cleanedOsmTags[key] !== value;
+        !osmTagValues.length ||
+        (value !== '*' && osmTagValues.every((v) => v !== value));
 
       if (isTagWrong) {
-        if (key === 'seamark:type' && cleanedOsmTags[key]) {
+        if (key === 'seamark:type' && !!osmTagValues.length) {
           // don't try to change seamark:type if it already has a more useful value
           // e.g. seamark:type=obstruction cf. seamark:type=sea_area
           // but if it's missing, we will add it
diff --git a/src/stage3-conflate/compareFeatures/exceptions.ts b/src/stage3-conflate/compareFeatures/exceptions.ts
index 0104c08..2146eeb 100644
--- a/src/stage3-conflate/compareFeatures/exceptions.ts
+++ b/src/stage3-conflate/compareFeatures/exceptions.ts
@@ -1,3 +1,4 @@
+import { ALLOW_INCONSISTENT_DIACRITICS } from '../../data';
 import type { NZGBFeature, OSMFeature } from '../../types';
 
 /**
@@ -21,6 +22,26 @@ export function nameHasSlashForOldName(nzgb: NZGBFeature, osm: OSMFeature) {
   );
 }
 
+/** @internal @returns true if the names are similar enough */
+function isPrettyMuchEqual(nzgbName: string, osmName: string) {
+  // the number of charcaters must be the same
+  if (nzgbName.length !== osmName.length) return false;
+
+  for (let index = 0; index < nzgbName.length; index++) {
+    // compare letter-by-letter
+    const nzgbChar = nzgbName[index];
+    const osmChar = osmName[index];
+
+    const isOkay =
+      nzgbChar === osmChar ||
+      nzgbChar === osmChar.normalize('NFD').replaceAll(/\p{Diacritic}/gu, '');
+
+    if (!isOkay) return false;
+  }
+
+  return true;
+}
+
 /**
  * Special case to allow OSM to have macrons, if the NZGB name is unofficial.
  * @returns true if this is an exception and we shouldn't change the name
@@ -29,11 +50,15 @@ export function isUnofficialAndOsmHasMacrons(
   nzgb: NZGBFeature,
   osm: OSMFeature,
 ) {
-  if (nzgb.official) return false;
+  // for official names, an inconsistency is only
+  // acceptable if there's an override for this ref.
+  const shouldAllowInconsistency = nzgb.official
+    ? ALLOW_INCONSISTENT_DIACRITICS.has(osm.tags['ref:linz:place_id']!)
+    : true;
 
   return (
-    nzgb.name?.normalize('NFD').replaceAll(/\p{Diacritic}/gu, '') ===
-    osm.tags.name?.normalize('NFD').replaceAll(/\p{Diacritic}/gu, '')
+    shouldAllowInconsistency &&
+    isPrettyMuchEqual(nzgb.name, osm.tags.name || '')
   );
 }
 
@@ -48,7 +73,10 @@ export function allowSlashInsteadOfOr(nzgb: NZGBFeature, osm: OSMFeature) {
 
 /** @internal */
 function normaliseTrivialNameDifferences(name: string) {
-  return name.replace(/\bMount\b/, 'Mt').replace(/\bSaint\b/, 'St');
+  return name
+    .replace(/\bMount\b/, 'Mt')
+    .replace(/\bSaint\b/, 'St')
+    .replace(/\bSt\./, 'St');
 }
 
 /**
@@ -73,7 +101,9 @@ export function allowDualNames(nzgb: NZGBFeature, osm: OSMFeature) {
   return (
     nameSegments?.length === 2 &&
     nameSegments.every(
-      (segment) => segment === nzgb.name || segment === osm.tags['name:mi'],
+      (segment) =>
+        isPrettyMuchEqual(nzgb.name, segment) ||
+        segment === osm.tags['name:mi'],
     )
   );
 }
diff --git a/src/stage3-conflate/index.ts b/src/stage3-conflate/index.ts
index f879669..4969fde 100644
--- a/src/stage3-conflate/index.ts
+++ b/src/stage3-conflate/index.ts
@@ -46,7 +46,10 @@ function processOneType(
   // for on land vs subsea, then we merge two categories together
   const presets =
     'tags' in categoryDefinition
-      ? findTopLevelTags(categoryDefinition.tags)
+      ? [
+          ...findTopLevelTags(categoryDefinition.tags),
+          ...(categoryDefinition.acceptTags?.flatMap(findTopLevelTags) || []),
+        ]
       : [
           ...findTopLevelTags(categoryDefinition.onLandTags),
           ...findTopLevelTags(categoryDefinition.subseaTags),
@@ -191,7 +194,7 @@ const trivialKeys = new Set([
   'ref:linz:place_id',
   'wikidata',
   'wikipedia',
-  'name:etymology', // only if there is also name:ety:wikidata
+  'name:etymology',
   'name:etymology:wikidata',
   'source:name',
   'source',
@@ -260,10 +263,7 @@ async function main() {
         // if the only thing being editted is the ref tag or wikidata or wikipedia tag
         const isTrivial =
           f.properties.__action === 'edit' &&
-          Object.keys(f.properties).every((key) => trivialKeys.has(key)) &&
-          // either both name:ety & wikidata, or niether
-          !!f.properties['name:etymology'] ===
-            !!f.properties['name:etymology:wikidata'];
+          Object.keys(f.properties).every((key) => trivialKeys.has(key));
 
         if (isTrivial) {
           extraLayersObject[trivialLayerName].features.push(f);
diff --git a/src/stage4-report/Report.tsx b/src/stage4-report/Report.tsx
index b335120..2a5c719 100644
--- a/src/stage4-report/Report.tsx
+++ b/src/stage4-report/Report.tsx
@@ -115,7 +115,7 @@ export const Report: React.FC<{ data: StatsFile; css: string }> = ({
         stats.addNodeCount + stats.addWayCount + stats.editCount;
       if (remaining === 0) {
         layerCount.okayCount += 1; // complete
-      } else if (remaining / stats.okayCount > 0.9) {
+      } else if (remaining / (stats.okayCount + remaining) < 0.1) {
         layerCount.editCount += 1; // >90% complete
       } else {
         layerCount.addNodeCount += 1; // incomplete