Unsyllabled is valid Scrabble Word

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

Definitions for UNSYLLABLED in dictionary:

Similar words containing SYLLABL without suffix ed and without prefix un

syllable13 syllabled15 syllables14 disyllable16 syllabling16 dissyllable17 disyllables17 trisyllable16 decasyllable20 dissyllables18 monosyllable19 octosyllable19 polysyllable22 trisyllables17 decasyllables21 monosyllables20 octosyllables20 polysyllables23 tetrasyllable18 dodecasyllable23 quadrisyllable29 tetrasyllables19 dodecasyllables24 hendecasyllable26 quadrisyllables30 hendecasyllables27
Find what other words can be done using letters: "unsyllabled"
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