noble vs Lord

noble and Lord both are nouns.

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

As nouns, noble and Lord are synonyms defined as:

Other synonyms of noble include nobleman.

noble (noun)	Lord (noun)
a titled peer of the realm	a titled peer of the realm
	terms referring to the Judeo-Christian God

noble (adjective)	Lord (adjective)
having or showing or indicative of high or elevated character
of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times
impressive in size, manner, or appearance
inert especially toward oxygen