stemmer vs stem

stemmer and stem both are nouns.

Word	Noun	Adjective	Verb	Adverb
stemmer	Yes	No	No	No
stem	Yes	No	Yes	No

stemmer (noun)	stem (noun)
a device for removing stems from fruit (as from grapes or apples)	a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it
a miner's tamping bar for ramming packing in over a blasting charge	front part of a vessel or aircraft
an algorithm for removing inflectional and derivational endings in order to reduce word forms to a common stem	the tube of a tobacco pipe
a worker who makes or applies stems for artificial flowers	cylinder forming a long narrow part of something
a worker who strips the stems from moistened tobacco leaves and binds the leaves together into books	(linguistics) the form of a word after all affixes are removed
	a slender or elongated structure that supports a plant or fungus or a plant part or plant organ

stemmer (verb)	stem (verb)
	stop the flow of a liquid
	remove the stem from
	grow out of, have roots in, originate in
	cause to point inward