Is COSTLINESS a Valid Scrabble Word?
Yes — playable.
COSTLINESS is in the ENABLE word list (the Words With Friends base dictionary, closely matching tournament Scrabble lists).
12
Scrabble points
15
WWF points
10
Letters
Letter Values
Frequently Asked Questions
Is COSTLINESS a valid Scrabble word?
Yes — COSTLINESS appears in the public-domain ENABLE word list, the base dictionary for Words With Friends and a close match to tournament Scrabble lists. Base score: 12 points in Scrabble, 15 in Words With Friends.
How many points is COSTLINESS worth?
COSTLINESS scores 12 points in Scrabble and 15 points in Words With Friends, before any board multipliers (double/triple letter and word squares).
Which dictionary does this check use?
The public-domain ENABLE list (about 168,000 words) — the base list Words With Friends uses. It is very close to, but not identical to, the official NASPA and Collins tournament lists.