niblick vs iron

niblick and iron both are nouns.

Word	Noun	Adjective	Verb	Adverb
niblick	Yes	No	No	No
iron	Yes	Yes	Yes	No

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

niblick (noun)	iron (noun)
an iron with considerable loft	home appliance consisting of a flat metal base that is heated and used to smooth cloth
	a golf club that has a relatively narrow metal head
	implement used to brand live stock
	a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood

niblick (adjective)	iron (adjective)
	extremely robust

niblick (verb)	iron (verb)
	press and smooth with a heated iron