s, o, m, u are letters that make 'sumo'
sum, MO, Mo, mo are words within 'sumo'
sumos is a word created by adding a letter to 'sumo'
1 possible definitions for 'sumo'
Under this definition, sumo is a noun and has the following properties:
'sumo' can be a type of sport, wrestling, rassling, grappling.
'sumo' can be a region of Japan, Nippon, Nihon