replace vs supplant

replace and supplant both are verbs.

Word	Noun	Adjective	Verb	Adverb
replace	No	No	Yes	No
supplant	No	No	Yes	No

As verbs, replace and supplant are synonyms defined as:

Other synonyms of replace include supersede, supervene upon.

replace (verb)	supplant (verb)
substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)	take the place or move into the position of
put something back where it belongs
put in the place of another; switch seemingly equivalent items
take the place or move into the position of