Yes, ins is a Scrabble word!
...and is worth 3 points in Scrabble, and 4 points in Words with Friends
ins
Noun
1. An agency in the Department of Justice that enforces laws and regulations for the admission of foreign-born persons to the United States
2. A unit of length equal to one twelfth of a foot
3. A rare soft silvery metallic element; occurs in small quantities in sphalerite
4. A state in midwestern United States
What Scrabble words can I make with the letters in ins?
3 Letter Words
2 Letter Words