ubiquity vs ubiquitousness

ubiquity and ubiquitousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
ubiquity	Yes	No	No	No
ubiquitousness	Yes	No	No	No

As nouns, ubiquity and ubiquitousness are synonyms defined as:

ubiquity and ubiquitousness: the state of being everywhere at once (or seeming to be everywhere at once)

Other synonyms of ubiquity include omnipresence.

ubiquity (noun)	ubiquitousness (noun)
the state of being everywhere at once (or seeming to be everywhere at once)	the state of being everywhere at once (or seeming to be everywhere at once)