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