whopper vs prevarication

whopper and prevarication both are nouns.

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

As nouns, prevarication is a hypernym of whopper; that is, prevarication is a word with a broader meaning than whopper:

Other hypernyms of whopper include lie.

whopper (noun)	prevarication (noun)
something especially big or impressive of its kind	the deliberate act of deviating from the truth
a gross untruth; a blatant lie	intentionally vague or ambiguous
	a statement that deviates from or perverts the truth