diff --git a/cspell.json b/cspell.json
index 500e649..3cb3bf9 100644
--- a/cspell.json
+++ b/cspell.json
@@ -235,7 +235,13 @@
         "osupytheas",
         "ircad",
         "SPOS",
-        "PEPR"
+        "PEPR",
+        "CCSD",
+        "ISIR",
+        "UPMC",
+        "LAAS",
+        "LAMSADE",
+        "Ortolang"
     ],
     // flagWords - list of words to be always considered incorrect
     // This is useful for offensive words and common spelling errors.