violation vs usurpation

violation and usurpation both are nouns.

Word	Noun	Adjective	Verb	Adverb
violation	Yes	No	No	No
usurpation	Yes	No	No	No

As nouns, violation and usurpation are synonyms defined as:

violation and usurpation: entry to another's property without right or permission

Other synonyms of violation include encroachment, intrusion, trespass.

violation (noun)	usurpation (noun)
a crime less serious than a felony	wrongfully seizing and holding (an office or powers) by force (especially the seizure of a throne or supreme authority)
entry to another's property without right or permission	entry to another's property without right or permission
the crime of forcing a person to submit to sexual intercourse against his or her will
a disrespectful act
an act that disregards an agreement or a right