diff --git a/stdlib/_locale.pyi b/stdlib/_locale.pyi
index 2b2fe03e4510..d7399f15e1a3 100644
--- a/stdlib/_locale.pyi
+++ b/stdlib/_locale.pyi
@@ -1,6 +1,6 @@
 import sys
 from _typeshed import StrPath
-from collections.abc import Iterable, Mapping
+from collections.abc import Mapping
 
 LC_CTYPE: int
 LC_COLLATE: int
@@ -10,7 +10,7 @@ LC_NUMERIC: int
 LC_ALL: int
 CHAR_MAX: int
 
-def setlocale(category: int, locale: str | Iterable[str | None] | None = None) -> str: ...
+def setlocale(__category: int, __locale: str | None = None) -> str: ...
 def localeconv() -> Mapping[str, int | str | list[int]]: ...
 
 if sys.version_info >= (3, 11):
diff --git a/stdlib/builtins.pyi b/stdlib/builtins.pyi
index 909e180c94dd..f06820f496d8 100644
--- a/stdlib/builtins.pyi
+++ b/stdlib/builtins.pyi
@@ -1288,7 +1288,7 @@ if sys.version_info >= (3, 10):
     # See discussion in #7491 and pure-Python implementation of `anext` at https://github.com/python/cpython/blob/ea786a882b9ed4261eafabad6011bc7ef3b5bf94/Lib/test/test_asyncgen.py#L52-L80
     def anext(__i: _SupportsSynchronousAnext[_AwaitableT]) -> _AwaitableT: ...
     @overload
-    async def anext(__i: SupportsAnext[_T], default: _VT) -> _T | _VT: ...
+    async def anext(__i: SupportsAnext[_T], __default: _VT) -> _T | _VT: ...
 
 # compile() returns a CodeType, unless the flags argument includes PyCF_ONLY_AST (=1024),
 # in which case it returns ast.AST. We have overloads for flag 0 (the default) and for
diff --git a/stdlib/cmath.pyi b/stdlib/cmath.pyi
index 0a85600e99b7..658cfb2d40ed 100644
--- a/stdlib/cmath.pyi
+++ b/stdlib/cmath.pyi
@@ -30,7 +30,7 @@ def exp(__z: _C) -> complex: ...
 def isclose(a: _C, b: _C, *, rel_tol: SupportsFloat = 1e-09, abs_tol: SupportsFloat = 0.0) -> bool: ...
 def isinf(__z: _C) -> bool: ...
 def isnan(__z: _C) -> bool: ...
-def log(__x: _C, __y_obj: _C = ...) -> complex: ...
+def log(__x: _C, __base: _C = ...) -> complex: ...
 def log10(__z: _C) -> complex: ...
 def phase(__z: _C) -> float: ...
 def polar(__z: _C) -> tuple[float, float]: ...
diff --git a/stdlib/locale.pyi b/stdlib/locale.pyi
index 2e95c659dbcd..c18523e04361 100644
--- a/stdlib/locale.pyi
+++ b/stdlib/locale.pyi
@@ -8,7 +8,6 @@ from _locale import (
     LC_NUMERIC as LC_NUMERIC,
     LC_TIME as LC_TIME,
     localeconv as localeconv,
-    setlocale as setlocale,
     strcoll as strcoll,
     strxfrm as strxfrm,
 )
@@ -16,7 +15,7 @@ from _locale import (
 # This module defines a function "str()", which is why "str" can't be used
 # as a type annotation or type alias.
 from builtins import str as _str
-from collections.abc import Callable
+from collections.abc import Callable, Iterable
 from decimal import Decimal
 from typing import Any
 
@@ -131,6 +130,7 @@ def getdefaultlocale(
     envvars: tuple[_str, ...] = ("LC_ALL", "LC_CTYPE", "LANG", "LANGUAGE")
 ) -> tuple[_str | None, _str | None]: ...
 def getlocale(category: int = ...) -> tuple[_str | None, _str | None]: ...
+def setlocale(category: int, locale: _str | Iterable[_str | None] | None = None) -> _str: ...
 def getpreferredencoding(do_setlocale: bool = True) -> _str: ...
 def normalize(localename: _str) -> _str: ...
 def resetlocale(category: int = ...) -> None: ...
diff --git a/stdlib/os/__init__.pyi b/stdlib/os/__init__.pyi
index 2f47c4a820bd..2810d086ae49 100644
--- a/stdlib/os/__init__.pyi
+++ b/stdlib/os/__init__.pyi
@@ -970,9 +970,9 @@ else:
     def WTERMSIG(status: int) -> int: ...
     if sys.version_info >= (3, 8):
         def posix_spawn(
-            path: StrOrBytesPath,
-            argv: _ExecVArgs,
-            env: _ExecEnv,
+            __path: StrOrBytesPath,
+            __argv: _ExecVArgs,
+            __env: _ExecEnv,
             *,
             file_actions: Sequence[tuple[Any, ...]] | None = ...,
             setpgroup: int | None = ...,
@@ -983,9 +983,9 @@ else:
             scheduler: tuple[Any, sched_param] | None = ...,
         ) -> int: ...
         def posix_spawnp(
-            path: StrOrBytesPath,
-            argv: _ExecVArgs,
-            env: _ExecEnv,
+            __path: StrOrBytesPath,
+            __argv: _ExecVArgs,
+            __env: _ExecEnv,
             *,
             file_actions: Sequence[tuple[Any, ...]] | None = ...,
             setpgroup: int | None = ...,
diff --git a/stdlib/sqlite3/dbapi2.pyi b/stdlib/sqlite3/dbapi2.pyi
index e85f49207763..5a78b34e97ad 100644
--- a/stdlib/sqlite3/dbapi2.pyi
+++ b/stdlib/sqlite3/dbapi2.pyi
@@ -352,7 +352,7 @@ class Connection:
     def cursor(self, cursorClass: None = None) -> Cursor: ...
     @overload
     def cursor(self, cursorClass: Callable[[Connection], _CursorT]) -> _CursorT: ...
-    def execute(self, sql: str, parameters: _Parameters = ...) -> Cursor: ...
+    def execute(self, __sql: str, __parameters: _Parameters = ...) -> Cursor: ...
     def executemany(self, __sql: str, __parameters: Iterable[_Parameters]) -> Cursor: ...
     def executescript(self, __sql_script: str) -> Cursor: ...
     def interrupt(self) -> None: ...