diff --git a/backend/FwLite/LcmCrdt.Tests/Data/VerifyRegeneratedSnapshotsAfterMigrationFromScriptedDb.v2.verified.json b/backend/FwLite/LcmCrdt.Tests/Data/VerifyRegeneratedSnapshotsAfterMigrationFromScriptedDb.v2.verified.json
index 8b7c997c09..e3132fbc9f 100644
--- a/backend/FwLite/LcmCrdt.Tests/Data/VerifyRegeneratedSnapshotsAfterMigrationFromScriptedDb.v2.verified.json
+++ b/backend/FwLite/LcmCrdt.Tests/Data/VerifyRegeneratedSnapshotsAfterMigrationFromScriptedDb.v2.verified.json
@@ -688,6 +688,13 @@
           "en": "Fruit",
           "fr": "fr"
         },
+        "PartOfSpeech": {
+          "Id": "Guid_36",
+          "Name": {
+            "en": "Adverb"
+          },
+          "Predefined": true
+        },
         "PartOfSpeechId": "Guid_36",
         "SemanticDomains": [
           {
diff --git a/backend/FwLite/LcmCrdt/Changes/CreateSenseChange.cs b/backend/FwLite/LcmCrdt/Changes/CreateSenseChange.cs
index 3e139e9f55..1043da4912 100644
--- a/backend/FwLite/LcmCrdt/Changes/CreateSenseChange.cs
+++ b/backend/FwLite/LcmCrdt/Changes/CreateSenseChange.cs
@@ -35,6 +35,8 @@ private CreateSenseChange(Guid entityId, Guid entryId) : base(entityId)
 
     public override async ValueTask<Sense> NewEntity(Commit commit, IChangeContext context)
     {
+        var partOfSpeech = PartOfSpeechId is null ? null : await context.GetCurrent<PartOfSpeech>(PartOfSpeechId.Value);
+        partOfSpeech = partOfSpeech is { DeletedAt: null } ? partOfSpeech : null;
         return new Sense
         {
             Id = EntityId,
@@ -42,7 +44,8 @@ public override async ValueTask<Sense> NewEntity(Commit commit, IChangeContext c
             Order = Order,
             Definition = Definition ?? new(),
             Gloss = Gloss ?? new MultiString(),
-            PartOfSpeechId = await context.DeletedAsNull(PartOfSpeechId),
+            PartOfSpeech = partOfSpeech,
+            PartOfSpeechId = partOfSpeech?.Id,
             SemanticDomains = await context.FilterDeleted(SemanticDomains ?? []).ToArrayAsync(),
             DeletedAt = await context.IsObjectDeleted(EntryId) ? commit.DateTime : (DateTime?)null
         };
diff --git a/backend/FwLite/LcmCrdt/Changes/SetPartOfSpeechChange.cs b/backend/FwLite/LcmCrdt/Changes/SetPartOfSpeechChange.cs
index 4e3f9b53e1..2e79232068 100644
--- a/backend/FwLite/LcmCrdt/Changes/SetPartOfSpeechChange.cs
+++ b/backend/FwLite/LcmCrdt/Changes/SetPartOfSpeechChange.cs
@@ -13,6 +13,7 @@ public override async ValueTask ApplyChange(Sense entity, IChangeContext context
         if (PartOfSpeechId is null)
         {
             entity.PartOfSpeechId = null;
+            entity.PartOfSpeech = null;
             return;
         }
 
@@ -24,7 +25,6 @@ public override async ValueTask ApplyChange(Sense entity, IChangeContext context
             return;
         }
         entity.PartOfSpeechId = partOfSpeech.Id;
-        //don't set the part of speech, it may trigger an insert of that part of speech
-        //I wasn't able to figure out how to write a test to cover this sadly, I only saw it live.
+        entity.PartOfSpeech = partOfSpeech;
     }
 }
diff --git a/backend/FwLite/MiniLcm.Tests/SenseTestsBase.cs b/backend/FwLite/MiniLcm.Tests/SenseTestsBase.cs
index 78d4d93e35..4d957b276b 100644
--- a/backend/FwLite/MiniLcm.Tests/SenseTestsBase.cs
+++ b/backend/FwLite/MiniLcm.Tests/SenseTestsBase.cs
@@ -4,10 +4,13 @@ public abstract class SenseTestsBase : MiniLcmTestBase
 {
     private static readonly Guid _entryId = Guid.NewGuid();
     private static readonly Guid _senseId = Guid.NewGuid();
+    private static readonly Guid _nounPosId = Guid.NewGuid();
 
     public override async Task InitializeAsync()
     {
         await base.InitializeAsync();
+        var nounPos = new PartOfSpeech() { Id = _nounPosId, Name = { { "en", "Noun" } } };
+        await Api.CreatePartOfSpeech(nounPos);
         await Api.CreateEntry(new Entry()
         {
             Id = _entryId,
@@ -15,7 +18,9 @@ await Api.CreateEntry(new Entry()
             Senses = [new()
             {
                 Id = _senseId,
-                Gloss = { { "en", "new-sense-gloss" } }
+                Gloss = { { "en", "new-sense-gloss" } },
+                PartOfSpeech = nounPos,
+                PartOfSpeechId = _nounPosId,
             }]
         });
     }
@@ -33,6 +38,10 @@ public async Task Get_ExistingSense_ReturnsSense()
         var sense = await Api.GetSense(_entryId, _senseId);
         sense.Should().NotBeNull();
         sense.Gloss["en"].Should().Be("new-sense-gloss");
+        sense.PartOfSpeech.Should().NotBeNull();
+        sense.PartOfSpeech.Name["en"].Should().Be("Noun");
+        sense.PartOfSpeech.Id.Should().Be(_nounPosId);
+        sense.PartOfSpeechId.Should().Be(_nounPosId);
     }
 
     /// <summary>
diff --git a/backend/FwLite/MiniLcm/Models/Sense.cs b/backend/FwLite/MiniLcm/Models/Sense.cs
index dc6b301277..3c4016f13e 100644
--- a/backend/FwLite/MiniLcm/Models/Sense.cs
+++ b/backend/FwLite/MiniLcm/Models/Sense.cs
@@ -31,7 +31,10 @@ public void RemoveReference(Guid id, DateTimeOffset time)
         if (id == EntryId)
             DeletedAt = time;
         if (id == PartOfSpeechId)
+        {
             PartOfSpeechId = null;
+            PartOfSpeech = null;
+        }
         SemanticDomains = [..SemanticDomains.Where(sd => sd.Id != id)];
     }
 
diff --git a/backend/harmony b/backend/harmony
index 0998577a4e..1ac746273d 160000
--- a/backend/harmony
+++ b/backend/harmony
@@ -1 +1 @@
-Subproject commit 0998577a4e98acac2e33571a02a5c676abe143a0
+Subproject commit 1ac746273dd4e46f68a7dc3006cd23c30cf9ae81