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