press home vs emphasize

press home and emphasize both are verbs.

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

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

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

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

press home (verb)	emphasize (verb)
make clear by special emphasis and try to convince somebody of something	to stress, single out as important
	give extra weight to (a communication)