ISSEIS is a playable word

issei Scrabble® Dictionary

noun
pl. isseis
a Japanese immigrant to the United States
10 Playable Words can be made from "ISSEIS"
   2-Letter Words (3 found)
   3-Letter Words (3 found)
   4-Letter Words (1 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)