heighten vs overclock

heighten and overclock both are verbs.

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

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

heighten: increase the level of
overclock: To run a processor (CPU), or any electronic logic device, at a speed higher than is recommended by the manufacturer.

Other hyponyms of heighten include potentiate.

heighten (verb)	overclock (verb)
increase the level of	To run a processor (CPU), or any electronic logic device, at a speed higher than is recommended by the manufacturer.
become more extreme
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