replace vs retool

replace and retool both are verbs.

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

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

Other hyponyms of replace include shift, reduce, truncate, subrogate.

replace (verb)	retool (verb)
substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)	provide (a workshop or factory) with new tools
put something back where it belongs	revise or reorganize, especially for the purpose of updating and improving
put in the place of another; switch seemingly equivalent items
take the place or move into the position of