rainbow vs hope

rainbow and hope both are nouns.

Word	Noun	Adjective	Verb	Adverb
rainbow	Yes	No	No	No
hope	Yes	No	Yes	No

As nouns, hope is a hypernym of rainbow; that is, hope is a word with a broader meaning than rainbow:

Other hypernyms of rainbow include promise.

rainbow (noun)	hope (noun)
an illusory hope	one of the three Christian virtues
an arc of colored light in the sky caused by refraction of the sun's rays by rain	grounds for feeling hopeful about the future
	the general feeling that some desire will be fulfilled
	a specific instance of feeling hopeful
	someone (or something) on which expectations are centered

rainbow (verb)	hope (verb)
	intend with some possibility of fulfilment
	be optimistic; be full of hope; have hopes
	expect and wish