2.For instance.adding &quot；-er&quot；to &quot；write&quot；results in &quot；writer，&quot；to &quot；teach&quot；in &quot；teacher，&quot；and to &quot；own&quot；in &quot；owner.&quot。3.In English.the &quot；-er&quot；suffix can be applied to various types of words.making it very common in the language。