caressing vs smooching

caressing and smooching both are nouns.

Word	Noun	Adjective	Verb	Adverb
caressing	Yes	No	No	No
smooching	Yes	No	No	No

As nouns, caressing and smooching are synonyms defined as:

caressing and smooching: affectionate play (or foreplay without contact with the genital organs)

Other synonyms of caressing include cuddling, fondling, hugging, kissing, necking, petting, snuggling.

caressing (noun)	smooching (noun)
affectionate play (or foreplay without contact with the genital organs)	affectionate play (or foreplay without contact with the genital organs)