infiniteness vs infinitude

infiniteness and infinitude both are nouns.

Word	Noun	Adjective	Verb	Adverb
infiniteness	Yes	No	No	No
infinitude	Yes	No	No	No

As nouns, infiniteness and infinitude are synonyms defined as:

infiniteness and infinitude: the quality of being infinite; without bound or limit

Other synonyms of infiniteness include boundlessness, limitlessness, unboundedness.

infiniteness (noun)	infinitude (noun)
the quality of being infinite; without bound or limit	the quality of being infinite; without bound or limit
	an infinite quantity