Not that I know of, but my dad had a close one, 7 letter word, negated.
dad IS a 3 letter word for dad...... Pop is another which is an abbreviation for papa .
Sire
POPS
pater
tup
dad
dad
dead dad
'rents
dad, end, read, crossword, head, lead, band, bended, bend, bed, . . . . .
11 Letter One Word Title | Generations11 Letter Title in Total | American Dad