diff --git a/.cspell.json b/.cspell.json
index 2c51a351..66c0f12b 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -50,15 +50,18 @@
     "gird"
   ],
   "words": [
+    "accelmap",
     "ackermann",
     "adapi",
     "aichallenge",
     "astar",
     "autocompute",
+    "autodetermine",
     "automotiveaichallenge",
     "autoware",
     "awsim",
     "booars",
+    "brakemap",
     "buildtool",
     "colcon",
     "costmap",
@@ -66,6 +69,7 @@
     "cyclonedds",
     "dallara",
     "dcmake",
+    "decel",
     "distro",
     "downsample",
     "freespace",