diff --git a/crates/voicevox_core_python_api/python/test/test_asyncio_user_dict_manipulate.py b/crates/voicevox_core_python_api/python/test/test_asyncio_user_dict_manipulate.py
index ab63268a8..5fd30d9cc 100644
--- a/crates/voicevox_core_python_api/python/test/test_asyncio_user_dict_manipulate.py
+++ b/crates/voicevox_core_python_api/python/test/test_asyncio_user_dict_manipulate.py
@@ -27,8 +27,8 @@ async def test_user_dict_load() -> None:
         )
     )
     assert isinstance(uuid_a, UUID)
-    assert dict_a.words()[uuid_a].surface == "ｈｏｇｅ"
-    assert dict_a.words()[uuid_a].pronunciation == "ホゲ"
+    assert dict_a.to_dict()[uuid_a].surface == "ｈｏｇｅ"
+    assert dict_a.to_dict()[uuid_a].pronunciation == "ホゲ"
 
     # 単語の更新
     dict_a.update_word(
@@ -39,8 +39,8 @@ async def test_user_dict_load() -> None:
         ),
     )
 
-    assert dict_a.words()[uuid_a].surface == "ｆｕｇａ"
-    assert dict_a.words()[uuid_a].pronunciation == "フガ"
+    assert dict_a.to_dict()[uuid_a].surface == "ｆｕｇａ"
+    assert dict_a.to_dict()[uuid_a].pronunciation == "フガ"
 
     # ユーザー辞書のインポート
     dict_b = voicevox_core.asyncio.UserDict()
@@ -52,7 +52,7 @@ async def test_user_dict_load() -> None:
     )
 
     dict_a.import_dict(dict_b)
-    assert uuid_b in dict_a.words()
+    assert uuid_b in dict_a.to_dict()
 
     # ユーザー辞書のエクスポート
     dict_c = voicevox_core.asyncio.UserDict()
@@ -66,13 +66,13 @@ async def test_user_dict_load() -> None:
     os.close(temp_path_fd)
     await dict_c.save(temp_path)
     await dict_a.load(temp_path)
-    assert uuid_a in dict_a.words()
-    assert uuid_c in dict_a.words()
+    assert uuid_a in dict_a.to_dict()
+    assert uuid_c in dict_a.to_dict()
 
     # 単語の削除
     dict_a.remove_word(uuid_a)
-    assert uuid_a not in dict_a.words()
-    assert uuid_c in dict_a.words()
+    assert uuid_a not in dict_a.to_dict()
+    assert uuid_c in dict_a.to_dict()
 
     # 単語のバリデーション
     with pytest.raises(pydantic.ValidationError):
diff --git a/crates/voicevox_core_python_api/python/test/test_blocking_user_dict_manipulate.py b/crates/voicevox_core_python_api/python/test/test_blocking_user_dict_manipulate.py
index 44afccfe2..968393f40 100644
--- a/crates/voicevox_core_python_api/python/test/test_blocking_user_dict_manipulate.py
+++ b/crates/voicevox_core_python_api/python/test/test_blocking_user_dict_manipulate.py
@@ -26,8 +26,8 @@ def test_user_dict_load() -> None:
         )
     )
     assert isinstance(uuid_a, UUID)
-    assert dict_a.words()[uuid_a].surface == "ｈｏｇｅ"
-    assert dict_a.words()[uuid_a].pronunciation == "ホゲ"
+    assert dict_a.to_dict()[uuid_a].surface == "ｈｏｇｅ"
+    assert dict_a.to_dict()[uuid_a].pronunciation == "ホゲ"
 
     # 単語の更新
     dict_a.update_word(
@@ -38,8 +38,8 @@ def test_user_dict_load() -> None:
         ),
     )
 
-    assert dict_a.words()[uuid_a].surface == "ｆｕｇａ"
-    assert dict_a.words()[uuid_a].pronunciation == "フガ"
+    assert dict_a.to_dict()[uuid_a].surface == "ｆｕｇａ"
+    assert dict_a.to_dict()[uuid_a].pronunciation == "フガ"
 
     # ユーザー辞書のインポート
     dict_b = voicevox_core.blocking.UserDict()
@@ -51,7 +51,7 @@ def test_user_dict_load() -> None:
     )
 
     dict_a.import_dict(dict_b)
-    assert uuid_b in dict_a.words()
+    assert uuid_b in dict_a.to_dict()
 
     # ユーザー辞書のエクスポート
     dict_c = voicevox_core.blocking.UserDict()
@@ -65,13 +65,13 @@ def test_user_dict_load() -> None:
     os.close(temp_path_fd)
     dict_c.save(temp_path)
     dict_a.load(temp_path)
-    assert uuid_a in dict_a.words()
-    assert uuid_c in dict_a.words()
+    assert uuid_a in dict_a.to_dict()
+    assert uuid_c in dict_a.to_dict()
 
     # 単語の削除
     dict_a.remove_word(uuid_a)
-    assert uuid_a not in dict_a.words()
-    assert uuid_c in dict_a.words()
+    assert uuid_a not in dict_a.to_dict()
+    assert uuid_c in dict_a.to_dict()
 
     # 単語のバリデーション
     with pytest.raises(pydantic.ValidationError):
diff --git a/crates/voicevox_core_python_api/python/voicevox_core/_rust/asyncio.pyi b/crates/voicevox_core_python_api/python/voicevox_core/_rust/asyncio.pyi
index 284f7aadd..ec4070e88 100644
--- a/crates/voicevox_core_python_api/python/voicevox_core/_rust/asyncio.pyi
+++ b/crates/voicevox_core_python_api/python/voicevox_core/_rust/asyncio.pyi
@@ -434,8 +434,8 @@ class Synthesizer:
 class UserDict:
     """ユーザー辞書。"""
 
-    def words(self) -> dict[UUID, UserDictWord]:
-        """このオプジェクトの :class:`dict` としての表現。"""
+    def to_dict(self) -> dict[UUID, UserDictWord]:
+        """このオプジェクトを :class:`dict` に変換する。"""
         ...
     def __init__(self) -> None: ...
     async def load(self, path: str | PathLike[str]) -> None:
diff --git a/crates/voicevox_core_python_api/python/voicevox_core/_rust/blocking.pyi b/crates/voicevox_core_python_api/python/voicevox_core/_rust/blocking.pyi
index d1f7ca1d0..d6484dc51 100644
--- a/crates/voicevox_core_python_api/python/voicevox_core/_rust/blocking.pyi
+++ b/crates/voicevox_core_python_api/python/voicevox_core/_rust/blocking.pyi
@@ -446,8 +446,8 @@ class Synthesizer:
 class UserDict:
     """ユーザー辞書。"""
 
-    def words(self) -> dict[UUID, UserDictWord]:
-        """このオプジェクトの :class:`dict` としての表現。"""
+    def to_dict(self) -> dict[UUID, UserDictWord]:
+        """このオプジェクトを :class:`dict` に変換する。"""
         ...
     def __init__(self) -> None: ...
     def load(self, path: str | PathLike[str]) -> None:
diff --git a/crates/voicevox_core_python_api/src/lib.rs b/crates/voicevox_core_python_api/src/lib.rs
index 049cf885f..26d580285 100644
--- a/crates/voicevox_core_python_api/src/lib.rs
+++ b/crates/voicevox_core_python_api/src/lib.rs
@@ -862,7 +862,7 @@ mod blocking {
             Ok(())
         }
 
-        fn words<'py>(&self, py: Python<'py>) -> PyResult<&'py PyDict> {
+        fn to_dict<'py>(&self, py: Python<'py>) -> PyResult<&'py PyDict> {
             let words = self.dict.with_words(|words| {
                 words
                     .iter()
@@ -1518,7 +1518,7 @@ mod asyncio {
             Ok(())
         }
 
-        fn words<'py>(&self, py: Python<'py>) -> PyResult<&'py PyDict> {
+        fn to_dict<'py>(&self, py: Python<'py>) -> PyResult<&'py PyDict> {
             let words = self.dict.with_words(|words| {
                 words
                     .iter()