imagination vs chimera

imagination and chimera both are nouns.

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

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

imagination (noun)	chimera (noun)
the formation of a mental image of something that is not perceived as real and is not present to the senses	a grotesque product of the imagination
the ability to form mental images of things or events
the ability to deal resourcefully with unusual problems