Imperatival is valid Scrabble Word

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

Definitions for IMPERATIVAL in dictionary:

Similar words containing PERATIV without suffix al and without prefix im

operative14 imperative17 operatives15 cooperative18 imperatives18 inoperative16 operatively19 operativity19 temperative18 unoperative16 cooperatives19 exasperative24 imperatively22 nonoperative17 preoperative19 recuperative19 vituperative20 cooperatively23 cooperativity23 operativeness18 operativities18 postoperative20 uncooperative20 perioperative20 imperativeness21 interoperative19 noncooperative21 preoperatively24 vituperatively25 cooperativeness22 cooperativities22 inoperativeness20 operativenesses20 postoperatively25 uncooperatively25 noncooperatives22 interoperatives20 imperativenesse22 imperativenesses23 cooperativenesses24 inoperativenesses22
Find what other words can be done using letters: "imperatival"
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