Extemporaneously is valid Words with Friends

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

Definitions for EXTEMPORANEOUSLY in dictionary:

Similar words containing TEMPORANEOUS without suffix ly and without prefix ex

temporaneous16 cotemporaneous20 extemporaneous25 contemporaneous21 extemporaneousn26 extemporaneousl26 contemporaneously26 extemporaneousness29 contemporaneousness25 extemporaneousnesses31 contemporaneousnesses27
Find what other words can be done using letters: "extemporaneously"
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