falsification vs actus reus

falsification and actus reus both are nouns.

Word	Noun	Adjective	Verb	Adverb
falsification	Yes	No	No	No
actus reus	Yes	No	No	No

As nouns, actus reus is a hypernym of falsification; that is, actus reus is a word with a broader meaning than falsification:

Other hypernyms of falsification include misconduct, wrongdoing, wrongful conduct.

falsification (noun)	actus reus (noun)
the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting	activity that transgresses moral or civil law
the act of determining that something is false
a willful perversion of facts
any evidence that helps to establish the falsity of something