heighten vs enhance

heighten and enhance both are verbs.

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

As verbs, heighten and enhance are synonyms defined as:

Other synonyms of heighten include raise.

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

Other hyponyms of heighten include heat up, hot up, screw up, fan, heighten, raise, amplify, sharpen, heighten, sharpen.

heighten (verb)	enhance (verb)
increase the level of	increase the level of
become more extreme	make better or more attractive
make more extreme; raise in quantity, degree, or intensity
make more intense, stronger, or more marked
make (one's senses) more acute
increase the height of