colloquialism vs snogging

colloquialism and snogging both are nouns.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
snogging	Yes	No	No	No

colloquialism (noun)	snogging (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	(British informal) cuddle and kiss