sound understanding

19 LETTERS · STARTS WITH S

sound understanding is a valid 19-letter word worth 22 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1O1U1N1D2U1N1D2E1R1S1T1A1N1D2I1N1G2

1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 2 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does sound understanding mean?