invalidity benefit

18 LETTERS · STARTS WITH I

invalidity benefit is a valid 18-letter word worth 29 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1V4A1L1I1D2I1T1Y4B3E1N1E1F4I1T1

1 + 1 + 4 + 1 + 1 + 1 + 2 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 1 + 4 + 1 + 1 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does invalidity benefit mean?