KAIZEN is a playable word

kaizen Scrabble® Dictionary

noun
pl. kaizens
a Japanese business practice of continuous improvement
32 Playable Words can be made from "KAIZEN"
   2-Letter Words (10 found)
   3-Letter Words (12 found)
   4-Letter Words (8 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)