Interchangeability is valid word

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

18 letters word
29 points in Scrabble
33 points in WWF

Definitions for INTERCHANGEABILITY in dictionary:

NOUN:

The state or quality of being interchangeable; interchangeableness.
the quality of being capable of exchange or interchange

ADJECTIVE:

apparently identical; very similar
(of two things) able to be interchanged

Similar words containing TERCHANGEABIL without suffix ity and without prefix in

interchangeabil23 interchangeabilities28

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