1、brisk

2、brief

3、brittle

4、browser

5、aggravate

6、aggressive

7、agitate

8、agreeable

9、aid

10、aim

11、alarm

12、alien

13、alienate

14、allocate

15、allow

16、alter

17、alternate

18、alternative

19、comparable

20、comparative

21、compare

22、comparison

23、compel

24、compensate

25、compete

26、competition

27、competitive

28、competent

29、compile

30、complain

31、complaint

32、complement

33、complete

34、complex

35、complicate

36、complicated

37、comply

38、compliment

39、differ

40、difference

41、diffuse

42、emphasis

43、emphasize

44、employ

45、employee

46、employer

47、employment

48、enable

49、encounter

50、encourage

51、end

52、endeavor

53、endorse

54、indicate

55、indication

56、indicative

57、outrage

58、outset

59、outside

60、outward

61、special

62、specialist

63、specialize

64、speciality

65、species

66、specific

67、specification

68、specify

69、speculate

70、the most fearful enemy is not having a firm conviction.