diff --git a/src/kwaylon/jokes/helpers.py b/src/kwaylon/jokes/helpers.py
index 82b216c..6d3b1dd 100644
--- a/src/kwaylon/jokes/helpers.py
+++ b/src/kwaylon/jokes/helpers.py
@@ -5,6 +5,12 @@ from bs4 import BeautifulSoup
 pattern = 'NP: {<DT>?<JJ>*<NN>}'
 cp = nltk.RegexpParser(pattern)
 
+WORDS = set(w.lower() for w in nltk.corpus.words.words())
+
+
+def valid_word(word: str):
+    return word.strip().lower() in WORDS
+
 
 def get_stock_price(symbol: str):
     soup = BeautifulSoup(requests.get(f'https://finance.yahoo.com/quote/{symbol}').content, 'lxml')
diff --git a/src/kwaylon/jokes/jokes.py b/src/kwaylon/jokes/jokes.py
index cc855b1..98240a1 100644
--- a/src/kwaylon/jokes/jokes.py
+++ b/src/kwaylon/jokes/jokes.py
@@ -153,7 +153,8 @@ class Jaccuse(base.Joke):
 class GoodBot(base.Joke):
     @property
     def regex(self) -> re.Pattern:
-        return re.compile('(\w+) bot', re.IGNORECASE)
+        return re.compile('(\w+) bot$', re.IGNORECASE)
 
     async def respond(self, message: Message, client: Client, match: re.Match):
-        await message.add_reaction(utils.get(client.emojis, name='kaylon'))
+        if helpers.valid_word(match.group(1)):
+            await message.add_reaction(utils.get(client.emojis, name='kaylon'))