SIPHON is a playable word

siphon Scrabble® Dictionary

verb
siphoned, siphoning, siphons
to draw off through a siphon (a type of tube)
72 Playable Words can be made from "SIPHON"
   2-Letter Words (15 found)
   3-Letter Words (27 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)