enhance vs potentiate

enhance and potentiate both are verbs.

Word	Noun	Adjective	Verb	Adverb
enhance	No	No	Yes	No
potentiate	No	No	Yes	No

As verbs, potentiate is a hyponym of enhance; that is, potentiate is a word with a more specific, narrower meaning than enhance:

enhance: increase the level of
potentiate: increase the effect of or act synergistically with (a drug or a physiological or biochemical phenomenon)

Other hyponyms of enhance include overclock.

enhance (verb)	potentiate (verb)
increase the level of	increase the effect of or act synergistically with (a drug or a physiological or biochemical phenomenon)
make better or more attractive