As nouns the difference between discoverer and inventor
is that discoverer is one who discovers; the person who discovered something while inventor is one who invents, either as a hobby or as an occupation.
discoverer
English
Noun
(
en noun)
One who discovers; the person who discovered something.
Usage notes
* The word is at least an order of magnitude less common than discovery.
inventor
English
Alternative forms
* inventour (obsolete)
Noun
(
en noun)
One who invents, either as a hobby or as an occupation.
Coordinate terms
* inventress
* inventrix