adio (复数) radios
helpful (反义词) unhelpful (动词) help
apologize(名词) apology
mean (过去式) meant (名词) meaning
lead (过去式) led（名词人） leader
wake (过去式) woke (形容词) awake
sleep (形容词) asleep
finally(形容词) final
appear (反义词) disappear (名词) appearance
act（名词人）actor / actress