SUMMAND is a playable word

summand Scrabble® Dictionary

noun
pl. summands
an addend
68 Playable Words can be made from "SUMMAND"
   2-Letter Words (13 found)
   3-Letter Words (26 found)
   4-Letter Words (18 found)
   5-Letter Words (8 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)