grammatical form

16 LETTERS · STARTS WITH G

grammatical form is a valid 16-letter word worth 27 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

G2R1A1M3M3A1T1I1C3A1L1F4O1R1M3

2 + 1 + 1 + 3 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 0 + 4 + 1 + 1 + 3 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does grammatical form mean?