bird vs wench

bird and wench both are nouns.

As nouns, bird and wench are synonyms defined as:

Other synonyms of bird include doll, skirt, chick, dame.

bird (noun)	wench (noun)
warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings	informal terms for a (young) woman
the flesh of a bird or fowl (wild or domestic) used as food
informal terms for a (young) woman
a cry or noise made to express displeasure or contempt
badminton equipment consisting of a ball of cork or rubber with a crown of feathers

bird (verb)	wench (verb)
watch and study birds in their natural habitat	frequent prostitutes