snuggling vs necking

snuggling and necking both are nouns.

Word	Noun	Adjective	Verb	Adverb
snuggling	Yes	No	No	No
necking	Yes	No	No	No

As nouns, snuggling and necking are synonyms defined as:

snuggling and necking: affectionate play (or foreplay without contact with the genital organs)

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

snuggling (noun)	necking (noun)
affectionate play (or foreplay without contact with the genital organs)	affectionate play (or foreplay without contact with the genital organs)
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