动词变名词像visit"变"visitor,teach--teacher 得此有哪些,常用点的,愈多越好,好的话我给加分,谢

act-actor/actressbank-bankerbeg-beggarbike-bikerbreak-breakerbuild-builderbuy-buyercall-callercatch-catchercamp-campercut-cutterclimb-climbercheat-cheaterchange-changerdance-cancerdim-dimmerdip-dipper...