thane vs noble

thane and noble both are nouns.

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

As nouns, noble is a hypernym of thane; that is, noble is a word with a broader meaning than thane:

Other hypernyms of thane include Lord, nobleman.

thane (noun)	noble (noun)
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 titled peer of the realm
a feudal lord or baron

thane (adjective)	noble (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