Smelly is an adjective.
viejo y maloliente
Hedoroso, a / apestoso, a / hediondo, a / maloliente
The rhyming word pair of beds of smelly animals could be: skunk's bunks.
The public bathroom was rather smelly. "Stinky," said the small boy when describing the mess. The landfill was smelly even from a distance. These words are synonymous.
Stinky, Pongy,
Smelly Paki Food
smelly
Yes, the word smelly is an adjective. It is based on the noun smell (odor) and has a connotation of having a bad or offensive smell.
Smelly, Reeking, Foul, Malodorous, Putrid & Fetid
Odorous
Stinky pinky.