odorUS
smellWhat's that terrible smell?
aromaThe delicious aroma of fresh bread wafted out of the bakery.
fragranceI adore the delicate fragrance of roses.
perfumeThe perfume of the flowers filled the room.
scentShe smelled the sweet scent of the lilies.
stenchThe wharfs were thick with the stench of rotting fish.
reekinformalThe reek of cigarettes filled the theatre.
stinkinformalThere was a bad stink in the kitchen.
pongUKinformalhumorousUgh, what a pong!
whiffHe leaned towards me and I got a whiff of garlic.