Yes, caulks is a Scrabble word!
...and is worth 12 points in Scrabble, and 15 points in Words with Friends
caulks
Verb
1. Seal with caulking
Noun
1. A waterproof filler and sealant that is used in building and repair to make watertight
What Scrabble words can I make with the letters in caulks?
5 Letter Words
4 Letter Words
Sponsored Links
3 Letter Words
2 Letter Words
Search for more Scrabble words
Words that can be created with an extra letter added to caulks:
F:sackful