speciation vs evolution

speciation and evolution both are nouns.

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

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

speciation: the evolution of a biological species
evolution: (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

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

speciation (noun)	evolution (noun)
the evolution of a biological species	(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)