-er
suffix /ə(r)/
  /ər/
- (in nouns) a person or thing that performs the action- lover
- computer
 
- (in nouns) a person or thing that has the thing or quality mentioned- three-wheeler
- foreigner
 
- (in nouns) a person studying or expert in- astronomer
- philosopher
 
- (in nouns) a person belonging to- New Yorker
 
- (makes comparative adjectives and adverbs)- wider
- bigger
- happier
- sooner
 More Like This SuffixesSuffixes- -able
- -age
- -al
- -ance
- -ant
- -arian
- -ary
- -dom
- -ee
- -er
- -ese
- -esque
- -ess
- -fold
- -ful
- -hood
- -ify
- -ion
- -ish
- -ism
- -ist
- -ista
- -ite
- -itis
- -ize
- -less
- -let
- -ling
- -ly
- -ment
- -most
- -ness
- -oid
- -or
- -ous
- -ship