PENNIS is a playable word

penni Scrabble® Dictionary

noun
pl. pennis or pennia
a formerly used Finnish coin
42 Playable Words can be made from "PENNIS"
   2-Letter Words (8 found)
   3-Letter Words (14 found)
   4-Letter Words (12 found)
   5-Letter Words (7 found)
   6-Letter Words (1 found)