emergent evolution vs evolution

emergent evolution and evolution both are nouns.

Word	Noun	Adjective	Verb	Adverb
emergent evolution	Yes	No	No	No
evolution	Yes	No	No	No

As nouns, evolution is a hypernym of emergent evolution; that is, evolution is a word with a broader meaning than emergent evolution:

emergent evolution: the appearance of entirely new properties at certain critical stages in the course of evolution
evolution: (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

Other hypernyms of emergent evolution include organic evolution, phylogenesis, phylogeny.

emergent evolution (noun)	evolution (noun)
the appearance of entirely new properties at certain critical stages in the course of evolution	(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
	a process in which something passes by degrees to a different stage (especially a more advanced or mature stage)