tread upon

10 LETTERS · STARTS WITH T

tread upon is a valid 10-letter word worth 12 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1R1E1A1D2U1P3O1N1

1 + 1 + 1 + 1 + 2 + 0 + 1 + 3 + 1 + 1 =12 PTS

DOUBLE WORD → 24TRIPLE WORD → 36

MEANING

What does tread upon mean?