diff --git a/lib/datastore.dart b/lib/datastore.dart
index 24ffb73..cf7eaac 100644
--- a/lib/datastore.dart
+++ b/lib/datastore.dart
@@ -252,9 +252,21 @@
   // ignore: constant_identifier_names
   static const FilterRelation LessThanOrEqual = FilterRelation._('<=');
   // ignore: constant_identifier_names
-  static const FilterRelation GreatherThan = FilterRelation._('>');
+  static const FilterRelation GreaterThan = FilterRelation._('>');
+
+  /// Old misspelled name for [GreaterThan], retained for compatibility.
+  ///
+  /// @nodoc
+  @Deprecated('Use FilterRelation.GreaterThan instead')
+  static const FilterRelation GreatherThan = GreaterThan;
   // ignore: constant_identifier_names
-  static const FilterRelation GreatherThanOrEqual = FilterRelation._('>=');
+  static const FilterRelation GreaterThanOrEqual = FilterRelation._('>=');
+
+  /// Old misspelled name for [GreaterThanOrEqual], retained for compatibility.
+  ///
+  /// @nodoc
+  @Deprecated('Use FilterRelation.GreaterThanOrEqual instead')
+  static const FilterRelation GreatherThanOrEqual = GreaterThanOrEqual;
   // ignore: constant_identifier_names
   static const FilterRelation Equal = FilterRelation._('==');
 
@@ -289,7 +301,13 @@
   // ignore: constant_identifier_names
   static const OrderDirection Ascending = OrderDirection._('Ascending');
   // ignore: constant_identifier_names
-  static const OrderDirection Decending = OrderDirection._('Decending');
+  static const OrderDirection Descending = OrderDirection._('Descending');
+
+  /// Old misspelled name for [Descending], retained for compatibility.
+  ///
+  /// @nodoc
+  @Deprecated('Use OrderDirection.Descending instead')
+  static const OrderDirection Decending = Descending;
 
   final String name;
 
diff --git a/lib/fix_data.yaml b/lib/fix_data.yaml
new file mode 100644
index 0000000..976365a
--- /dev/null
+++ b/lib/fix_data.yaml
@@ -0,0 +1,29 @@
+version: 1
+transforms:
+  - title: 'Rename to Descending'
+    date: 2024-09-11
+    element:
+      uris: ['datastore.dart']
+      field: 'Decending'
+      inClass: 'OrderDirection'
+    changes:
+      - kind: 'rename'
+        newName: 'Descending'
+  - title: 'Rename to GreaterThan'
+    date: 2024-09-11
+    element:
+      uris: ['datastore.dart']
+      field: 'GreatherThan'
+      inClass: 'FilterRelation'
+    changes:
+      - kind: 'rename'
+        newName: 'GreaterThan'
+  - title: 'Rename to GreaterThanOrEqual'
+    date: 2024-09-11
+    element:
+      uris: ['datastore.dart']
+      field: 'GreatherThanOrEqual'
+      inClass: 'FilterRelation'
+    changes:
+      - kind: 'rename'
+        newName: 'GreaterThanOrEqual'
diff --git a/lib/src/datastore_impl.dart b/lib/src/datastore_impl.dart
index 2590756..4be5c49 100644
--- a/lib/src/datastore_impl.dart
+++ b/lib/src/datastore_impl.dart
@@ -205,8 +205,8 @@
     datastore.FilterRelation.LessThan: 'LESS_THAN',
     datastore.FilterRelation.LessThanOrEqual: 'LESS_THAN_OR_EQUAL',
     datastore.FilterRelation.Equal: 'EQUAL',
-    datastore.FilterRelation.GreatherThan: 'GREATER_THAN',
-    datastore.FilterRelation.GreatherThanOrEqual: 'GREATER_THAN_OR_EQUAL',
+    datastore.FilterRelation.GreaterThan: 'GREATER_THAN',
+    datastore.FilterRelation.GreaterThanOrEqual: 'GREATER_THAN_OR_EQUAL',
   };
 
   api.Filter _convertDatastore2ApiFilter(datastore.Filter filter) {
diff --git a/lib/src/db/db.dart b/lib/src/db/db.dart
index a6e5149..5c2f888 100644
--- a/lib/src/db/db.dart
+++ b/lib/src/db/db.dart
@@ -143,8 +143,8 @@
   final _relationMapping = const <String, ds.FilterRelation>{
     '<': ds.FilterRelation.LessThan,
     '<=': ds.FilterRelation.LessThanOrEqual,
-    '>': ds.FilterRelation.GreatherThan,
-    '>=': ds.FilterRelation.GreatherThanOrEqual,
+    '>': ds.FilterRelation.GreaterThan,
+    '>=': ds.FilterRelation.GreaterThanOrEqual,
     '=': ds.FilterRelation.Equal,
   };
 
@@ -211,7 +211,7 @@
   void order(String orderString) {
     // TODO: validate [orderString] (e.g. is name valid)
     if (orderString.startsWith('-')) {
-      _orders.add(ds.Order(ds.OrderDirection.Decending,
+      _orders.add(ds.Order(ds.OrderDirection.Descending,
           _convertToDatastoreName(orderString.substring(1))));
     } else {
       _orders.add(ds.Order(
diff --git a/test/datastore/e2e/datastore_test_impl.dart b/test/datastore/e2e/datastore_test_impl.dart
index 549063e..3163afe 100644
--- a/test/datastore/e2e/datastore_test_impl.dart
+++ b/test/datastore/e2e/datastore_test_impl.dart
@@ -780,7 +780,7 @@
       assert(indexedEntity.length == 1);
 
       var filters = [
-        Filter(FilterRelation.GreatherThan, queryKey, queryLowerBound),
+        Filter(FilterRelation.GreaterThan, queryKey, queryLowerBound),
         Filter(FilterRelation.LessThan, queryKey, queryUpperbound),
       ];
       var listFilters = [
@@ -795,7 +795,7 @@
         Filter(FilterRelation.Equal, testUnindexedProperty, queryIndexValue)
       ];
 
-      var orders = [Order(OrderDirection.Decending, queryKey)];
+      var orders = [Order(OrderDirection.Descending, queryKey)];
 
       test('query', () async {
         await insert(stringNamedEntities, <Entity>[]);