Uniliteral is valid Scrabble Word

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

10 letters word
10 points in Scrabble
14 points in WWF

Definitions for UNILITERAL in dictionary:

ADJECTIVE:

consisting of one letter only; as, a uniliteral word or sign
Consisting of one letter only; as, a uniliteral word or sign.

Similar words containing ILITER without suffix al and without prefix un

biliteral11 deciliter12 centiliter12 deciliters13 milliliter12 triliteral10 centiliters13 milliliters13 triliterals11 antiliterate12 pluriliteral14 semiliterate14 antiliterary15 quadriliteral23 semiliterates15 triliteralism15 antiliterates13 quadriliterals24 triliteralisms16

Find what other words can be done using letters: "uniliteral"
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