violation vs infraction

violation and infraction both are nouns.

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

As nouns, violation and infraction are synonyms defined as:

Other synonyms of violation include infringement, misdemeanor, misdemeanour.

violation (noun)	infraction (noun)
a crime less serious than a felony	a crime less serious than a felony
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