overclock vs heighten

overclock and heighten both are verbs.

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

As verbs, heighten is a hypernym of overclock; that is, heighten is a word with a broader meaning than overclock:

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

Other hypernyms of overclock include enhance, raise.

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