drive home vs emphasise

drive home and emphasise both are verbs.

Word	Noun	Adjective	Verb	Adverb
drive home	No	No	Yes	No
emphasise	No	No	Yes	No

As verbs, emphasise is a hypernym of drive home; that is, emphasise is a word with a broader meaning than drive home:

drive home: make clear by special emphasis and try to convince somebody of something
emphasise: to stress, single out as important

Other hypernyms of drive home include accent, accentuate, emphasize, punctuate, stress.

drive home (verb)	emphasise (verb)
make clear by special emphasis and try to convince somebody of something	to stress, single out as important
carry out or perform	give extra weight to (a communication)