Yes, fish is a Scrabble word!
...and is worth 10 points in Scrabble, and 9 points in Words with Friends
fish
Verb
1. Seek indirectly
2. Catch or try to catch fish or shellfish
Noun
1. Any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills
2. The flesh of fish used as food
3. (astrology) a person who is born while the sun is in Pisces
4. The twelfth sign of the zodiac; the sun is in this sign from about February 19 to March 20
What Scrabble words can I make with the letters in fish?
3 Letter Words
2 Letter Words