immaculacy vs perfection

immaculacy and perfection both are nouns.

Word	Noun	Adjective	Verb	Adverb
immaculacy	Yes	No	No	No
perfection	Yes	No	No	No

As nouns, perfection is a hypernym of immaculacy; that is, perfection is a word with a broader meaning than immaculacy:

immaculacy: The characteristic of having no stain or blemish; of being spotless, undefiled, clear, pure.
perfection: the state of being without a flaw or defect

Other hypernyms of immaculacy include flawlessness, ne plus ultra.

immaculacy (noun)	perfection (noun)
The characteristic of having no stain or blemish; of being spotless, undefiled, clear, pure.	the act of making something perfect
	an ideal instance; a perfect embodiment of a concept
	the state of being without a flaw or defect