diff --git a/cspell.json b/cspell.json
index 67771de6e..b223deba3 100644
--- a/cspell.json
+++ b/cspell.json
@@ -199,6 +199,7 @@
         "keyof",
         "Khatri",
         "koba",
+        "lcov",
         "libdef",
         "linearize",
         "linebreak",
@@ -210,6 +211,7 @@
         "lowercased",
         "lowercasing",
         "lydell",
+        "macos",
         "malcolmsgroves",
         "Marek",
         "Masad",
@@ -325,6 +327,7 @@
         "scandir",
         "schemastore",
         "serializer",
+        "serializers",
         "serviceworker",
         "setlocal",
         "setq",
@@ -362,6 +365,7 @@
         "tdeekens",
         "templating",
         "tempy",
+        "testname",
         "tgriesser",
         "tidelift",
         "tidelift’s",