Open English Wordnet
Nouns
(n)subordinate, subsidiary, underling, foot soldieran assistant subject to the authority or control of another
Verbs
(v)subordinaterank or order as less important or consider of less value“Art is sometimes subordinated to Science in these schools”
(v)subordinate, subduemake subordinate, dependent, or subservient“Our wishes have to be subordinated to that of our ruler”
Adjectives
(a)dependent, subordinate(of a clause) unable to stand alone syntactically as a complete sentence“a subordinate (or dependent) clause functions as a noun or adjective or adverb within a sentence”