Disconfirmation is valid Scrabble Word

Is disconfirmation a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is disconfirmation valid Words with Friends?
Words with Friends YES

15 letters word
23 points in Scrabble
27 points in WWF

Definitions for DISCONFIRMATION in dictionary:

VERB:

show that (a belief or hypothesis) is not or may not be true

NOUN:

the act of disconfirming

Similar words containing CONFIRMA without suffix tion and without prefix dis

confirmand18 confirmable20 confirmands19 confirmator18 confirmation19 confirmative22 confirmators19 confirmatory22 confirmations20 confirmability26 confirmational21 reconfirmation21 reconfirmations22 confirmabilitie24 confirmabilities25

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