INFILLS is a playable word

infill Scrabble® Dictionary

verb
infilled, infilling, infills
to fill in (a hole)
28 Playable Words can be made from "INFILLS"
   2-Letter Words (5 found)
   3-Letter Words (9 found)
   4-Letter Words (9 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)