Yes, fit is a Scrabble word!
...and is worth 6 points in Scrabble, and 6 points in Words with Friends
fit
Verb
1. Be agreeable or acceptable to
2. Be the right size or shape; fit correctly or as desired
3. Satisfy a condition or restriction
4. Make fit
5. Insert or adjust several objects or people
6. Be compatible, similar or consistent; coincide in their characteristics
7. Conform to some shape or size
8. Provide with (something) usually for a specific purpose
9. Make correspond or harmonize
Adjective
1. Meeting adequate standards for a purpose
2. (usually followed by `to' or `for') on the point of or strongly disposed
3. Physically and mentally sound or healthy
Noun
1. A display of bad temper
2. A sudden uncontrollable attack
3. The manner in which something fits
4. A sudden flurry of activity (often for no obvious reason)
What Scrabble words can I make with the letters in fit?
2 Letter Words