Some words that rhyme with smart are:
apart
Art
cart
chart
dart
heart
mart
Part
start
tart
Smart gun
way smart
smart board
Heart Hung
dogs are smart
apart start
heart and wise
Keen.
smart card, guard, jared, lard,
Wow! a purple tart!
carte, kart, tarte are French words rhyming with the English word smart.
mane smart one