drive home vs emphasize

drive home and emphasize both are verbs.

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

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

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

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

drive home (verb)	emphasize (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)