TENNISTS is a playable word

tennist Scrabble® Dictionary

noun
pl. tennists
a tennis player
97 Playable Words can be made from "TENNISTS"
   2-Letter Words (10 found)
   3-Letter Words (21 found)
   6-Letter Words (10 found)
   7-Letter Words (4 found)
   8-Letter Words (1 found)