infinitude vs boundlessness

infinitude and boundlessness both are nouns.

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

As nouns, infinitude and boundlessness are synonyms defined as:

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

Other synonyms of infinitude include infiniteness, limitlessness, unboundedness.

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