vacuity vs vacuum

vacuity and vacuum both are nouns.

Word	Noun	Adjective	Verb	Adverb
vacuity	Yes	No	No	No
vacuum	Yes	No	Yes	No

As nouns, vacuity and vacuum are synonyms defined as:

As nouns, vacuity and vacuum are synonyms defined as:

vacuity (noun)	vacuum (noun)
total lack of meaning or ideas	an electrical home appliance that cleans by suction
a region that is devoid of matter	a region that is devoid of matter
the absence of matter	an empty area or space
	the absence of matter

vacuity (verb)	vacuum (verb)
	clean with a vacuum cleaner