Trinity vs Lord

Trinity and Lord both are nouns.

Word	Noun	Adjective	Verb	Adverb
Trinity	Yes	No	No	No
Lord	Yes	No	No	No

As nouns, Lord is a hypernym of Trinity; that is, Lord is a word with a broader meaning than Trinity:

Other hypernyms of Trinity include Almighty, Creator, Divine, God Almighty, Godhead, Jehovah, Maker.

Trinity (noun)	Lord (noun)
the union of the Father and Son and Holy Ghost in one Godhead	a titled peer of the realm
	terms referring to the Judeo-Christian God