shovel vs fire iron

shovel and fire iron both are nouns.

Word	Noun	Adjective	Verb	Adverb
shovel	Yes	No	Yes	No
fire iron	Yes	No	No	No

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

shovel: a fire iron consisting of a small shovel used to scoop coals or ashes in a fireplace
fire iron: metal fireside implements

shovel (noun)	fire iron (noun)
a hand tool for lifting loose material; consists of a curved container or scoop and a handle	metal fireside implements
a fire iron consisting of a small shovel used to scoop coals or ashes in a fireplace
a machine for excavating
the quantity a shovel can hold

shovel (verb)	fire iron (verb)
dig with or as if with a shovel