pore vs hear

pore is a noun but hear is not a noun.

Word	Noun	Adjective	Verb	Adverb
pore	Yes	No	Yes	No
hear	No	No	Yes	No

As verbs, hear is a hyponym of pore; that is, hear is a word with a more specific, narrower meaning than pore:

Other hyponyms of pore include absorb, engross, engulf, immerse, plunge, soak up, steep, recall, think, zoom in, listen, take heed.

pore (noun)	hear (noun)
any small opening in the skin or outer surface of an animal
a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
any tiny hole admitting passage of a liquid (fluid or gas)

pore (verb)	hear (verb)
direct one's attention on something	get to know or become aware of, usually accidentally
	perceive (sound) via the auditory sense
	receive a communication from someone
	listen and pay attention
	examine or hear (evidence or a case) by judicial process