replace vs put back

replace and put back both are verbs.

Word	Noun	Adjective	Verb	Adverb
replace	No	No	Yes	No
put back	No	No	Yes	No

As verbs, replace and put back are synonyms defined as:

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