Unrequisite is valid Scrabble Word

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

Definitions for UNREQUISITE in dictionary:

Similar words containing REQUIS without suffix ite and without prefix un

requisite18 requisites19 requisitor19 corequisite22 requisitely23 requisition20 requisitors20 requisitory23 corequisites23 prerequisite23 requisitions21 derequisition23 prerequisites24 requisiteness22 requisitioned23 requisitories22 derequisitions24 requisitionary26 requisitioning24 requisitionist23 derequisitioned26 requisitenesses24 requisitionists24
Find what other words can be done using letters: "unrequisite"
https://scrabble-word.com/finder/unrequisite
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