SPIFFS is a playable word

spiff Scrabble® Dictionary

verb
spiffed, spiffing, spiffs
to make spiffy

15 Playable Words can be made from "SPIFFS"

   2-Letter Words (4 found)

   3-Letter Words (6 found)

   4-Letter Words (3 found)

   5-Letter Words (1 found)

   6-Letter Words (1 found)