Obversions is valid Scrabble Word

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

10 letters word
15 points in Scrabble
18 points in WWF

Definitions for OBVERSIONS in dictionary:

VERB:

alter (a proposition) so as to infer another proposition with a contradictory predicate, e.g. â€˜no men are immortalâ€™ to â€˜all men are mortalâ€™.
alter (a proposition) so as to infer another proposition with a contradictory predicate, e.g. ‘no men are immortal’ to ‘all men are mortal’.

NOUN:

OBVERSION, the act of turning toward or downward

Words related to OBVERSIONS

obvert11

Similar words containing OBVERSION without suffix s

obversion14

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