TENTHLY is a playable word

tenthly Scrabble® Dictionary

adverb
in the tenth place
43 Playable Words can be made from "TENTHLY"
   2-Letter Words (8 found)
   3-Letter Words (18 found)
   4-Letter Words (10 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)