prevarication vs fib

prevarication and fib both are nouns.

Word	Noun	Adjective	Verb	Adverb
prevarication	Yes	No	No	No
fib	Yes	No	Yes	No

As nouns, fib is a hyponym of prevarication; that is, fib is a word with a more specific, narrower meaning than prevarication:

Other hyponyms of prevarication include story, tale, taradiddle, tarradiddle, jactitation, walloper, whopper, white lie.

prevarication (noun)	fib (noun)
the deliberate act of deviating from the truth	a trivial lie
intentionally vague or ambiguous
a statement that deviates from or perverts the truth

prevarication (verb)	fib (verb)
	tell a relatively insignificant lie