Certainer is valid Scrabble Word

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

9 letters word
11 points in Scrabble
13 points in WWF

Definitions for CERTAINER in dictionary:

ADJECTIVE:

CERTAIN, absolutely confident
determined, settled; set upon as fact.

Words related to CERTAINER

certain9 certainest12

Similar words containing CERTAIN without suffix er

certain9 ascertain11 certainly14 certainty14 incertain11 uncertain11 ascertains12 certainest12 ascertained14 certainties13 incertainty16 uncertainly16 uncertainty16 ascertaining15 ascertainable17 ascertainably20 ascertainment17 incertainties15 unascertained16 uncertainness15 uncertainties15 ascertainments18 unascertainable19 uncertainnesses17

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