dive vs swallow dive

dive and swallow dive both are nouns.

Word	Noun	Adjective	Verb	Adverb
dive	Yes	No	Yes	No
swallow dive	Yes	No	No	No

As nouns, swallow dive is a hyponym of dive; that is, swallow dive is a word with a more specific, narrower meaning than dive:

dive: a headlong plunge into water
swallow dive: a dive in which the diver arches the back with arms outstretched before entering the water

dive (noun)	swallow dive (noun)
a steep nose-down descent by an aircraft	a dive in which the diver arches the back with arms outstretched before entering the water
a headlong plunge into water
a cheap disreputable nightclub or dance hall