sander vs smoother

sander and smoother both are nouns.

Word	Noun	Adjective	Verb	Adverb
sander	Yes	No	No	No
smoother	Yes	No	No	No

As nouns, sander and smoother are synonyms defined as:

sander and smoother: a power tool used for sanding wood; an endless loop of sandpaper is moved at high speed by an electric motor

Other synonyms of sander include drum sander, electric sander.

sander (noun)	smoother (noun)
a power tool used for sanding wood; an endless loop of sandpaper is moved at high speed by an electric motor	a power tool used for sanding wood; an endless loop of sandpaper is moved at high speed by an electric motor