-er

Universal Words suffix 1 (in nouns) a person or thing that: lover * computer compare-EE, -OR 2 (in nouns) a person or thing that has the thing or quality mentioned: three-wheeler * foreigner 3 (in nouns) a person concerned with: astronomer * philosopher 4 (in nouns) a person belonging to: New Yorker 5 (makes comparative adjectives and adverbs): wider * bigger * happier * sooner compare-EST