homonymy vs linguistic relation

homonymy and linguistic relation both are nouns.

Word	Noun	Adjective	Verb	Adverb
homonymy	Yes	No	No	No
linguistic relation	Yes	No	No	No

As nouns, linguistic relation is a hypernym of homonymy; that is, linguistic relation is a word with a broader meaning than homonymy:

homonymy: the relation between two words that are spelled the same way but differ in meaning or the relation between two words that are pronounced the same way but differ in meaning
linguistic relation: a relation between linguistic forms or constituents

homonymy (noun)	linguistic relation (noun)
the relation between two words that are spelled the same way but differ in meaning or the relation between two words that are pronounced the same way but differ in meaning	a relation between linguistic forms or constituents