chicken vs biddy

chicken and biddy both are nouns.

Word	Noun	Adjective	Verb	Adverb
chicken	Yes	Yes	No	No
biddy	Yes	No	No	No

As nouns, biddy is a hyponym of chicken; that is, biddy is a word with a more specific, narrower meaning than chicken:

chicken: a domestic fowl bred for flesh or eggs; believed to have been developed from the red jungle fowl
biddy: young bird especially of domestic fowl

Other hyponyms of chicken include chick, cock, rooster, capon, hen, spring chicken, Rhode Island red, Dominick, Dominique, Orpington.

chicken (noun)	biddy (noun)
a domestic fowl bred for flesh or eggs; believed to have been developed from the red jungle fowl	young bird especially of domestic fowl
a foolhardy competition; a dangerous activity that is continued until one competitor becomes afraid and stops	adult female chicken
the flesh of a chicken used for food
a person who lacks confidence, is irresolute and wishy-washy

chicken (adjective)	biddy (adjective)
easily frightened