Presuppositional is valid word

Is presuppositional a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words NO
Is presuppositional valid Words with Friends?
Words with Friends NO

16 letters word
22 points in Scrabble
28 points in WWF

Definitions for PRESUPPOSITIONAL in dictionary:

ADJECTIVE:

Of or relating to (a) presupposition or presuppositions.

Similar words containing SUPPOSITION without suffix al and without prefix pre

supposition15 suppositions16 suppositional17 presupposition20 suppositionary21 presuppositions21 suppositionally22 suppositionless19 presuppositiona21

Find what other words can be done using letters: "presuppositional"
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