diff --git a/lib/pangea/enum/analytics/morph_categories_enum.dart b/lib/pangea/enum/analytics/morph_categories_enum.dart
index 6b52055d8..677f58fa3 100644
--- a/lib/pangea/enum/analytics/morph_categories_enum.dart
+++ b/lib/pangea/enum/analytics/morph_categories_enum.dart
@@ -39,13 +39,15 @@ enum MorphologicalCategories {
 extension MorphologicalCategoriesExtension on MorphologicalCategories {
   /// Convert enum to string
   String toShortString() {
-    return toString().split('.').last;
+    return toString().split('.').last.toLowerCase();
   }
 
   /// Convert string to enum
   static MorphologicalCategories? fromString(String category) {
     return MorphologicalCategories.values.firstWhereOrNull(
-      (e) => e.toShortString() == category,
+      (e) =>
+          e.toShortString() ==
+          category.toLowerCase().replaceAll(RegExp(r'[,\[\]]'), ''),
     );
   }
 
diff --git a/lib/pangea/utils/get_grammar_copy.dart b/lib/pangea/utils/get_grammar_copy.dart
index cdcdcb3d6..86c36be30 100644
--- a/lib/pangea/utils/get_grammar_copy.dart
+++ b/lib/pangea/utils/get_grammar_copy.dart
@@ -20,7 +20,7 @@ String? getGrammarCopy({
   }
 
   final String key =
-      'grammarCopy${category.toUpperCase()}${lemma.replaceAll(",", "").toLowerCase()}';
+      'grammarCopy${category.replaceAll(RegExp(r'[,\[\]]'), '').toUpperCase()}${lemma.replaceAll(RegExp(r'[,\[\]]'), '').toLowerCase()}';
 
   switch (key) {
     case 'grammarCopyPOSsconj':
@@ -81,6 +81,12 @@ String? getGrammarCopy({
       return L10n.of(context)!.grammarCopyPUNCTTYPEbrck;
     case 'grammarCopyNOUNTYPEart':
       return L10n.of(context)!.grammarCopyNOUNTYPEart;
+    case 'grammarCopyNUMBERPSORsing':
+      return L10n.of(context)!.grammarCopyNUMBERPSORsing;
+    case 'grammarCopyNUMBERPSORplur':
+      return L10n.of(context)!.grammarCopyNUMBERPSORplur;
+    case 'grammarCopyNUMBERPSORdual':
+      return L10n.of(context)!.grammarCopyNUMBERPSORdual;
     case 'grammarCopyNUMBERsing':
       return L10n.of(context)!.grammarCopyNUMBERsing;
     case 'grammarCopyGENDERmasc':