smooching vs caressing

smooching and caressing both are nouns.

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

As nouns, smooching and caressing are synonyms defined as:

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

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

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