tup
dad IS a 3 letter word for dad...... Pop is another which is an abbreviation for papa .
Bob, dad, did, eve, gig, gag, mom, pop, wow
Sire
POPS
pater
dad
Not that I know of, but my dad had a close one, 7 letter word, negated.
dead dad
'rents
dad
11 Letter One Word Title | Generations11 Letter Title in Total | American Dad
Mom? Dad? wit