imaging vs pretense

imaging and pretense both are nouns.

Word	Noun	Adjective	Verb	Adverb
imaging	Yes	No	No	No
pretense	Yes	No	No	No

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

imaging (noun)	pretense (noun)
(medicine) obtaining pictures of the interior of the body	the act of giving a false appearance
the ability to form mental images of things or events	a false or unsupportable quality
	an artful or simulated semblance
	imaginative intellectual play
	pretending with intention to deceive