PROPER is a playable word

proper Scrabble® Dictionary

adjective
properer, properest
suitable
(adverb) properly
noun
pl. propers
a portion of the Mass

29 Playable Words can be made from "PROPER"

   2-Letter Words (7 found)

   3-Letter Words (9 found)

   4-Letter Words (9 found)

   5-Letter Words (3 found)

   6-Letter Words (1 found)