diff --git a/spionen/engine.py b/spionen/engine.py
index 7d2917a..6ed2955 100644
--- a/spionen/engine.py
+++ b/spionen/engine.py
@@ -130,6 +130,13 @@ def same_word(a: str, b: str, typos: bool = True) -> bool:
     return typos and levenshtein(x, y) <= typo_allowance(y)
 
 
+def contains_word(clue: str, word: str) -> bool:
+    """Står ordet inde i stikordet (sammensatte ord: "hundehus", "pizzabager")? Kun for ord på tre bogstaver eller
+    flere, ellers ville fx "is" ramme alt for meget."""
+    w = squash(word)
+    return len(w) >= 3 and w in squash(clue)
+
+
 def clean_text(text: str, code: str, what: str, max_len: int) -> str:
     text = sanitize(str(text or "")).lower()
     if not text or len(text) > max_len or not normalize(text):
@@ -372,7 +379,7 @@ class Game:
         if " " in clue:
             raise GameError("clue_invalid", "Skriv kun ét ord.")
         spy = member_id in self.spies
-        if not spy and same_word(clue, self.word, typos=False):
+        if not spy and (same_word(clue, self.word, typos=False) or contains_word(clue, self.word)):
             raise GameError("clue_is_word", "Det er jo ordet selv. Find på noget andet.")
         theme_words = [w for w in re.split(r"[\s-]+", self.theme["name"]) if len(squash(w)) >= 3]
         if any(same_word(clue, w, typos=False) for w in theme_words) or same_word(clue, self.theme["name"], typos=False):
diff --git a/spionen/tests/test_engine.py b/spionen/tests/test_engine.py
index d173511..616929f 100644
--- a/spionen/tests/test_engine.py
+++ b/spionen/tests/test_engine.py
@@ -103,10 +103,14 @@ class ClueTests(TestCase):
         self.assertEqual(e.exception.code, code)
 
     def test_word_and_inflections_are_refused_but_near_words_are_fine(self):
-        for text in ("kat", "Katten", "kattene"):
+        for text in ("kat", "Katten", "kattene", "kattekilling", "missekat"):
             self.bad(self.agent, text, "clue_is_word")
+        self.g.word = "hund"
+        self.bad(self.agent, "hundehus", "clue_is_word")       # sammensat: ordet stod på skærmen
+        self.g.word = "is"
+        self.g.submit_clue(self.agent, "vis", 1)                # korte ord: kun ordet selv og bøjninger
         self.g.word = "hval"
-        self.g.submit_clue(self.agent, "hvalp", 1)              # et andet ord, ikke en stavefejl
+        self.bad(self.agent, "hvalp", "clue_is_word")          # ordet står i det; prisen for at fange "hvalfangst"
         self.g.word = "slot"
         self.g.submit_clue(self.agent, "plot", 1)