Instinctivity is valid Scrabble Word

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

Definitions for INSTINCTIVITY in dictionary:

Words related to INSTINCTIVITY

instinctivities20
Find what other words can be done using letters: "instinctivity"
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