poultry vs bantam

poultry and bantam both are nouns.

Word	Noun	Adjective	Verb	Adverb
poultry	Yes	No	No	No
bantam	Yes	Yes	No	No

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

poultry: a domesticated gallinaceous bird thought to be descended from the red jungle fowl
bantam: any of various small breeds of fowl

poultry (noun)	bantam (noun)
a domesticated gallinaceous bird thought to be descended from the red jungle fowl	any of various small breeds of fowl
flesh of chickens or turkeys or ducks or geese raised for food

poultry (adjective)	bantam (adjective)
	very small