slam dunk vs dunk

slam dunk and dunk both are nouns.

Word	Noun	Adjective	Verb	Adverb
slam dunk	Yes	No	No	No
dunk	Yes	No	Yes	No

As nouns, dunk is a hypernym of slam dunk; that is, dunk is a word with a broader meaning than slam dunk:

slam dunk: a forceful dunk
dunk: a basketball shot in which the basketball is propelled downward into the basket

Other hypernyms of slam dunk include dunk shot, stuff shot.

slam dunk (noun)	dunk (noun)
a forceful dunk	a basketball shot in which the basketball is propelled downward into the basket
something that is a sure to occur; a foregone conclusion

slam dunk (verb)	dunk (verb)
	dip into a liquid while eating
	immerse briefly into a liquid so as to wet, coat, or saturate
	make a dunk shot, in basketball