phylogeny vs phylogenesis

phylogeny and phylogenesis both are nouns.

Word	Noun	Adjective	Verb	Adverb
phylogeny	Yes	No	No	No
phylogenesis	Yes	No	No	No

As nouns, phylogeny and phylogenesis are synonyms defined as:

phylogeny and phylogenesis: (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

Other synonyms of phylogeny include evolution, organic evolution.

phylogeny (noun)	phylogenesis (noun)
(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms	(biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms