Counteradvertisings is valid word

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

19 letters word
26 points in Scrabble
32 points in WWF

Definitions for COUNTERADVERTISINGS in dictionary:

NOUN:

paid announcements; advertisements.
the profession of planning, designing, and writing advertisements.
the act or practice of calling public attention to one's product, service, need, etc., especially by paid announcements in newspapers and magazines, over radio or television, on billboards, etc.: to get more customers by advertising.

Similar words containing UNTERADVERTISING without suffix s and without prefix co

counteradvertising25

Find what other words can be done using letters: "counteradvertisings"
https://scrabble-word.com/finder/counteradvertisings

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