Increaseful is valid Scrabble Word

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

Definitions for INCREASEFUL in dictionary:

Similar words containing CREASE without suffix ful and without prefix in

crease8 creased10 creaser9 creases9 creasers10 decrease11 encrease10 increase10 uncrease10 decreased13 decreases12 encreased12 encreases11 increased12 increaser11 increases11 precrease13 uncreased12 creaseless12 increasers12 pancreases14 precreased15 precreases14 reincrease12 increasedly17 reincreased14 reincreases13 hepatopancrease24 hepatopancreases25
Find what other words can be done using letters: "increaseful"
https://scrabble-word.com/finder/increaseful
SCRABBLE® is a registered trademark. We do not cooperate with the owners of this trademark. All trademark rights are owned by their owners and are not relevant to the web site "scrabble-word.com". This site is intended for entertainment and training. We try to make a useful tool for all fans of SCRABBLE. "Scrabble Word" is the best method to improve your skills in the game.