ADDEND is a playable word

addend Scrabble® Dictionary

noun
pl. addends
a number to be added to another
21 Playable Words can be made from "ADDEND"
   2-Letter Words (9 found)
   3-Letter Words (8 found)
   4-Letter Words (2 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)