totipotency vs totipotence

totipotency and totipotence both are nouns.

Word	Noun	Adjective	Verb	Adverb
totipotency	Yes	No	No	No
totipotence	Yes	No	No	No

As nouns, totipotency and totipotence are synonyms defined as:

totipotency and totipotence: the ability of a cell to give rise to unlike cells and so to develop a new organism or part

totipotency (noun)	totipotence (noun)
the ability of a cell to give rise to unlike cells and so to develop a new organism or part	the ability of a cell to give rise to unlike cells and so to develop a new organism or part