noble vs thane

noble and thane both are nouns.

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

As nouns, thane is a hyponym of noble; that is, thane is a word with a more specific, narrower meaning than noble:

noble (noun)	thane (noun)
a titled peer of the realm	a man ranking above an ordinary freeman and below a noble in Anglo-Saxon England (especially one who gave military service in exchange for land)
	a feudal lord or baron

noble (adjective)	thane (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