imagination vs ingeniousness

imagination and ingeniousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
imagination	Yes	No	No	No
ingeniousness	Yes	No	No	No

As nouns, ingeniousness is a hypernym of imagination; that is, ingeniousness is a word with a broader meaning than imagination:

Other hypernyms of imagination include cleverness, ingenuity, inventiveness.

imagination (noun)	ingeniousness (noun)
the formation of a mental image of something that is not perceived as real and is not present to the senses	the property of being ingenious
the ability to form mental images of things or events	the power of creative imagination
the ability to deal resourcefully with unusual problems