presubstituting

15 LETTERS · 5 SYLLABLES · STARTS WITH P

presubstituting is a valid 15-letter word worth 20 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1E1S1U1B3S1T1I1T1U1T1I1N1G2

3 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 2 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does presubstituting mean?