equivocation vs equivocalness

equivocation and equivocalness both are nouns.

Word	Noun	Adjective	Verb	Adverb
equivocation	Yes	No	No	No
equivocalness	Yes	No	No	No

As nouns, equivocalness is a hypernym of equivocation; that is, equivocalness is a word with a broader meaning than equivocation:

Other hypernyms of equivocation include ambiguity, untruthfulness.

equivocation (noun)	equivocalness (noun)
falsification by means of vague or ambiguous language	unclearness by virtue of having more than one meaning
intentionally vague or ambiguous
a statement that is not literally false but that cleverly avoids an unpleasant truth