replace vs hang up

replace and hang up both are verbs.

Word	Noun	Adjective	Verb	Adverb
replace	No	No	Yes	No
hang up	No	No	Yes	No

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

replace (verb)	hang up (verb)
substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)	interrupt a telephone conversation
put something back where it belongs	put a telephone receiver back in its cradle
put in the place of another; switch seemingly equivalent items	cause to be hanging or suspended
take the place or move into the position of