Morpheme
-(e)r
Type
suffix
Denotation
agent noun suffix
Etymology
Middle English -er, -ere; Old English -ere and Latin -or
Evidence
artistry, baker, bakery, baptistry, birther, bindery, brewery, cannery, carpentry, chemistry, confectionery, crockery, distillery, eatery, Englander, -ery, fishery, forgery, glacier, greenery, islander, jewelry, Londoner, mimicry, pastry, -ry, singer, swimmer, teacher, tomfoolery, truther, watcher, writer
Notes
<(e)r +y -> ery> and <(e)r +y -> ry>