buss vs deep kiss

buss and deep kiss both are nouns.

Word	Noun	Adjective	Verb	Adverb
buss	Yes	No	Yes	No
deep kiss	Yes	No	No	No

As nouns, deep kiss is a hyponym of buss; that is, deep kiss is a word with a more specific, narrower meaning than buss:

buss: the act of caressing with the lips (or an instance thereof)
deep kiss: an openmouthed kiss in which your tongue is inserted into the other's mouth

Other hyponyms of buss include smack, smooch, French kiss, soul kiss, peck.

buss (noun)	deep kiss (noun)
the act of caressing with the lips (or an instance thereof)	an openmouthed kiss in which your tongue is inserted into the other's mouth

buss (verb)	deep kiss (verb)
touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc.