tergiversation vs equivocation

tergiversation and equivocation both are nouns.

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

As nouns, tergiversation and equivocation are synonyms defined as:

tergiversation and equivocation: falsification by means of vague or ambiguous language

tergiversation (noun)	equivocation (noun)
falsification by means of vague or ambiguous language	falsification by means of vague or ambiguous language
the act of abandoning a party for cause	intentionally vague or ambiguous
	a statement that is not literally false but that cleverly avoids an unpleasant truth