stove poker vs fire iron

stove poker and fire iron both are nouns.

Word	Noun	Adjective	Verb	Adverb
stove poker	Yes	No	No	No
fire iron	Yes	No	No	No

As nouns, fire iron is a hypernym of stove poker; that is, fire iron is a word with a broader meaning than stove poker:

stove poker: fire iron consisting of a metal rod with a handle; used to stir a fire
fire iron: metal fireside implements

stove poker (noun)	fire iron (noun)
fire iron consisting of a metal rod with a handle; used to stir a fire	metal fireside implements