-er

-er

I

-er¹ /ə $ ər/ suffix
forms the comparative of many short adjectives and adverbs:
    hot, hotter
    dry, drier
    fast, faster
⇨ -est

II

-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

-er suffix (in nouns 构成名词) a person or thing that …的人（或物）◆lover情人◆computer计算机  ➡  compare -ee, -or (in nouns 构成名词) a person or thing that has the thing or quality mentioned 具有…的人（或物）◆three-wheeler三轮车◆foreigner外国人 (in nouns 构成名词) a person concerned with 与…有关的人◆astronomer天文学家◆philosopher哲学家 (in nouns 构成名词) a person belonging to 属于…的人◆New Yorker纽约人 (makes comparative adjectives and adverbs 构成形容词和副词的比较级) ◆wider较宽◆bigger较大◆happier更幸福◆sooner更早  ➡  compare -est

asset, bond, capital, dividend, equity, fund, interest, invest, portfolio, share