Winterisation is valid Scrabble Word

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

13 letters word
16 points in Scrabble
18 points in WWF

Definitions for WINTERISATION in dictionary:

VERB:

adapt or prepare (something, especially a house) for use in cold weather

NOUN:

the act of winterising, also WINTERIZATION
the process of winterising

Words related to WINTERISATION

winterisations17

Words that contain WINTERISATION

winterisations17

Similar words containing WINTERISA without suffix tion

winterisations17

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