subpostscript

13 LETTERS · 3 SYLLABLES · STARTS WITH S

subpostscript is a valid 13-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1B3P3O1S1T1S1C3R1I1P3T1

1 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 3 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does subpostscript mean?