thio acid

9 LETTERS · STARTS WITH T

thio acid is a valid 9-letter word worth 14 points in Scrabble and 14 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1H4I1O1A1C3I1D2

1 + 4 + 1 + 1 + 0 + 1 + 3 + 1 + 2 =14 PTS

DOUBLE WORD → 28TRIPLE WORD → 42

MEANING

What does thio acid mean?