hyponymy vs subordination

hyponymy and subordination both are nouns.

Word	Noun	Adjective	Verb	Adverb
hyponymy	Yes	No	No	No
subordination	Yes	No	No	No

As nouns, hyponymy and subordination are synonyms defined as:

hyponymy and subordination: the semantic relation of being subordinate or belonging to a lower rank or class

hyponymy (noun)	subordination (noun)
the semantic relation of being subordinate or belonging to a lower rank or class	the act of mastering or subordinating someone
	the quality of obedient submissiveness
	the grammatical relation of a modifying word or phrase to its head
	the semantic relation of being subordinate or belonging to a lower rank or class
	the state of being subordinate to something