potentiation vs synergy

potentiation and synergy both are nouns.

Word	Noun	Adjective	Verb	Adverb
potentiation	Yes	No	No	No
synergy	Yes	No	No	No

As nouns, synergy is a hypernym of potentiation; that is, synergy is a word with a broader meaning than potentiation:

potentiation: (medicine) the synergistic effect of two drugs given simultaneously
synergy: the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects

Other hypernyms of potentiation include synergism.

potentiation (noun)	synergy (noun)
(medicine) the synergistic effect of two drugs given simultaneously	the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects