pome vs pear

pome and pear both are nouns.

Word	Noun	Adjective	Verb	Adverb
pome	Yes	No	No	No
pear	Yes	No	No	No

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

pome: a fleshy fruit (apple or pear or related fruits) having seed chambers and an outer fleshy part
pear: sweet juicy gritty-textured fruit available in many varieties

Other hyponyms of pome include apple, quince.

pome (noun)	pear (noun)
a fleshy fruit (apple or pear or related fruits) having seed chambers and an outer fleshy part	sweet juicy gritty-textured fruit available in many varieties
	Old World tree having sweet gritty-textured juicy fruit; widely cultivated in many varieties