act action actor active actively
2.invent invention inventor inventive inventivly
3.use usage user useful/useless usefully/uselessly
4.operate operation operator operative/operational operativly
5.dream dreamland/dreaminess dreamer dreamy/dreamless dreamlessly
6.creat creation creator creative creatively
7.talk talk/talking talker talkative talkativly
8.explore exploration explorer explorative exploratively
9.succeed success success successful successfully
10.fool foolery fool foolish foolishly
11.care care carer careful(careless) carefully(carelessly)
12.sleep sleep sleeper asleep/sleepy asleep
13.react reaction reactor reactive reactively
14.reside residence resident residential ×
15.fear fear/fearlessness fearer fearful/fearless
注：fearer常需要跟一些其他词搭配出现如dog-fearer（害怕狗的人）
16.clean clean/cleanliness cleaner cleanly