falsehood vs frame-up

falsehood and frame-up both are nouns.

Word	Noun	Adjective	Verb	Adverb
falsehood	Yes	No	No	No
frame-up	Yes	No	No	No

As nouns, frame-up is a hyponym of falsehood; that is, frame-up is a word with a more specific, narrower meaning than falsehood:

falsehood: the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting
frame-up: an act that incriminates someone on a false charge

Other hyponyms of falsehood include setup, sophistication, forgery.

falsehood (noun)	frame-up (noun)
the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting	an act that incriminates someone on a false charge
a false statement