unambiguity vs unequivocalness

unambiguity and unequivocalness both are nouns.

Word	Noun	Adjective	Verb	Adverb
unambiguity	Yes	No	No	No
unequivocalness	Yes	No	No	No

As nouns, unambiguity and unequivocalness are synonyms defined as:

unambiguity and unequivocalness: clarity achieved by the avoidance of ambiguity

unambiguity (noun)	unequivocalness (noun)
clarity achieved by the avoidance of ambiguity	clarity achieved by the avoidance of ambiguity