SWIFTS is a playable word

swift Scrabble® Dictionary

adjective
swifter, swiftest
moving with a great rate of motion
noun
pl. swifts
a fast-flying bird
25 Playable Words can be made from "SWIFTS"
   2-Letter Words (5 found)
   3-Letter Words (8 found)
   4-Letter Words (7 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)