-er

Suffix

Suffix
-er

A suffix added to verbs meaning that a person or thing that does an action indicated by the root verb.
- Antonym: -ee
read + -er = reader

cook + -er = cooker

compute + -er = computer

run + -er = runner

toast + -er = toaster

swim + -er = swimmer
A suffix added to occupations meaning that a person whose occupation is the root noun.
astrology + -er = astrologer

cricket + -er = cricketer

trumpet + -er = trumpeter
A suffix added to numbers meaning that a person or thing to which a certain number or measurement applies.
six + -er = sixer

six foot + -er = six-footer

three-wheel + -er = three-wheeler

first grade + -er = first grader
A suffix added to ideologys meaning that a person is associated with, or supports a particular theory, doctrine, or political movement.
anti-vax + -er = anti-vaxxer

flat earth + -er = flat-earther