SINKFUL is a playable word

sinkful Scrabble® Dictionary

noun
pl. sinkfuls
as much as a sink can hold
72 Playable Words can be made from "SINKFUL"
   2-Letter Words (9 found)
   3-Letter Words (22 found)
   5-Letter Words (12 found)
   6-Letter Words (3 found)
   7-Letter Words (2 found)