limitlessness vs boundlessness

limitlessness and boundlessness both are nouns.

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

As nouns, limitlessness and boundlessness are synonyms defined as:

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

Other synonyms of limitlessness include infiniteness, infinitude, unboundedness.

limitlessness (noun)	boundlessness (noun)
the quality of being infinite; without bound or limit	the quality of being infinite; without bound or limit