Agent Nouns
Agent nouns are nouns that denote a person or thing performing a certain job. You can form agent nouns by using the following suffixes.
By adding the suffix –er
Work – worker (agent noun – worker)
Compose – composer (If the word ends in –e, add –r to form the agent noun.)
Run – runner (Sometimes you have to double the consonant before adding –er.)
Sing – singer
Dance – dancer
Play – player
Write – writer
Cricket – cricketer
By adding the suffix –or
Act – actor
Create – creator (If the word ends in –e, remove the –e, before adding –or.)
Destruct – destructor
Construct – constructor
Generate – generator
By adding the suffix –ian
Magic – magician
Library – librarian (If the word ends in –y, drop the –y before adding –ian.)
By adding the suffix – ist
Art – artist
Zoology – zoologist (If the word ends in –y, drop –y and then add –ist.)