internal revenue

NOUN /ɪn'tɜrnəl_'rɛvən,ju/
16 LETTERS · STARTS WITH I

internal revenue is a valid 16-letter word worth 18 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1T1E1R1N1A1L1R1E1V4E1N1U1E1
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 4 + 1 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does internal revenue mean?

NOUN · 1 SENSE
1

Government revenue from domestic sources (excluding customs).