diff --git a/cheddahbot/tools/linkbuilding.py b/cheddahbot/tools/linkbuilding.py
index 9b5b552..25d81fc 100644
--- a/cheddahbot/tools/linkbuilding.py
+++ b/cheddahbot/tools/linkbuilding.py
@@ -285,6 +285,15 @@ def _fuzzy_keyword_match(a: str, b: str, llm_check: Callable[[str, str], bool] |
         return True
     if llm_check is None:
         return False
+
+    # Only call LLM when keywords share most words (possible plural difference).
+    words_a = set(a.split())
+    words_b = set(b.split())
+    shared = words_a & words_b
+    total = max(len(words_a), len(words_b))
+    if total > 1 and len(shared) < total - 1:
+        return False
+
     return llm_check(a, b)