Counterblockading is valid word

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

17 letters word
29 points in Scrabble
37 points in WWF

Definitions for COUNTERBLOCKADING in dictionary:

VERB (USED WITH OBJECT) [BLOCKÂ·ADÂ·ED, BLOCKÂ·ADÂ·ING.]:

to subject to a blockade.

NOUN:

the isolating, closing off, or surrounding of a place, as a port, harbor, or city, by hostile ships or troops to prevent entrance or exit.
any obstruction of passage or progress: We had difficulty in getting through the blockade of bodyguards.
interruption or inhibition of a normal physiological signal, as a nerve impulse or a heart muscleâ€“contraction impulse.
interruption or inhibition of a normal physiological signal, as a nerve impulse or a heart muscle–contraction impulse.

Similar words containing UNTERBLOCKAD without suffix ing and without prefix co

counterblockade26 counterblockadi26 counterblockaded28 counterblockades27

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