tumesce

VERB
7 LETTERS · STARTS WITH T

tumesce is a valid 7-letter word worth 11 points in Scrabble and 14 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1U1M3E1S1C3E1
1 + 1 + 3 + 1 + 1 + 3 + 1 =11 PTS
DOUBLE WORD → 22TRIPLE WORD → 33
MEANING

What does tumesce mean?