subordination vs mastery

subordination and mastery both are nouns.

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

As nouns, subordination and mastery are synonyms defined as:

subordination and mastery: the act of mastering or subordinating someone

subordination (noun)	mastery (noun)
the act of mastering or subordinating someone	the act of mastering or subordinating someone
the quality of obedient submissiveness	great skillfulness and knowledge of some subject or activity
the grammatical relation of a modifying word or phrase to its head	power to dominate or defeat
the semantic relation of being subordinate or belonging to a lower rank or class
the state of being subordinate to something