-er

-er¹ [ə US ər] suffix

forms the comparative of many short adjectives and adverbs

▪ hot, hotter

▪ dry, drier

▪ fast, faster

→↑-est

-er ²

-er² suffix [in nouns]

1.) someone who does something or is doing something

▪ a dancer

▪ a driver

2.) something that does something

▪ a scraper (=a tool you use for scraping)

→↑-ar, ↑-or