infringement vs misdemeanour

infringement and misdemeanour both are nouns.

Word	Noun	Adjective	Verb	Adverb
infringement	Yes	No	No	No
misdemeanour	Yes	No	No	No

As nouns, infringement and misdemeanour are synonyms defined as:

Other synonyms of infringement include infraction, misdemeanor, violation.

infringement (noun)	misdemeanour (noun)
a crime less serious than a felony	a crime less serious than a felony
an act that disregards an agreement or a right