bring up vs heighten

bring up and heighten both are verbs.

Word	Noun	Adjective	Verb	Adverb
bring up	No	No	Yes	No
heighten	No	No	Yes	No

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

bring up (verb)	heighten (verb)
cause to load (an operating system) and start the initial processes	increase the level of
make reference to	become more extreme
put forward for consideration or discussion	make more extreme; raise in quantity, degree, or intensity
summon into action or bring into existence, often as if by magic	make more intense, stronger, or more marked
raise from a lower to a higher position	make (one's senses) more acute
cause to come to a sudden stop	increase the height of
look after a child until it is an adult
promote from a lower position or rank