maharajah vs prince

maharajah and prince both are nouns.

Word	Noun	Adjective	Verb	Adverb
maharajah	Yes	No	No	No
prince	Yes	No	No	No

As nouns, prince is a hypernym of maharajah; that is, prince is a word with a broader meaning than maharajah:

maharajah: a great raja; a Hindu prince or king in India ranking above a raja
prince: a male member of a royal family other than the sovereign (especially the son of a sovereign)

maharajah (noun)	prince (noun)
a great raja; a Hindu prince or king in India ranking above a raja	a male member of a royal family other than the sovereign (especially the son of a sovereign)