diff --git a/cspell.json b/cspell.json
new file mode 100644
index 0000000..6e79cfe
--- /dev/null
+++ b/cspell.json
@@ -0,0 +1,10 @@
+{
+  "ignoreRegExpList": [
+    "θ"
+  ],
+  "words": [
+    "exportparts",
+    "aria-labelledby",
+    "webcomponents"
+  ]
+}