infinitude vs limitlessness

infinitude and limitlessness both are nouns.

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

As nouns, infinitude and limitlessness are synonyms defined as:

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

Other synonyms of infinitude include boundlessness, infiniteness, unboundedness.

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