1. affect, effect, effort, infect
2. belief, relief, brief
3. expert, expect, except, perfect
4. expose, explore, explode
5. deserve, reserve, preserve, observe
6. rise, arise, raise
7. insist, consist, resist, assist
8. feel, fell, felt, fall
9. sign, signal
10.supply, apply
11. personal, personnel
12. internal, international
13. amaze, amuse
14. contain, obtain, attain
15. content, contest, context
16. technique, technology
17. remind, remain,
18. inform, reform, perform
19. require, acquire，enquire
20. electronic, electric
21. reason, season,
22. tyre, type
23. fair, fare,
24. distant, constant, instant
25. attitude, altitude, gratitude,
26. choose, chose, choice
27. loss, lose, lost, loose
28. morning, mourning
29. inspect, respect, aspect
30. accident, incident,
31. precious, previous,
32. conscious, serious
33. extinct, distinct
34. classify, clarify
35. space, species, pieces
36. series, serious
37. through, thorough, though, thought,
38. intention, attention,
39. tend, trend, attend, intend
40. cash, crash, dash
41. sense, scene, since
42. research, search,
43. represent, present
44. curtain, certain
45. status, statue
46. resign, design, assign
47. complete, compete, complicate
48. broad, abroad, board
49. family, familiar, similar
50. select, elect, collect
51. account, count, discount
52. stuck, struck
53. source, resource, cause, course
54. possess, process, procedure
55. depress, express, impress
56. weep, sweep
57. include, conclude
58. routine, route
59. unlike, dislike, unlikely
60. unable, disable
61. habit, habitat
62. application, occupation
63. attack, attract
64. apartment, department
65. odd, old, code
66. eve, even,
67. suspect, inspect, respect,
68. model, medal, mental, metal
69. sweet, sweat
70. quiet, quite
71. adapt, adopt
72. daily, dairy, diary
73. test, text
74. dessert, desert
75. later, latter, latest, last, lately
76. costume, custom
77. assess, access
78. clown, crown, crow, cow
79. drawn, drown
80. attitude, altitude, longitude, latitude, gratitude
81. alone, lonely
82. assure, ensure, insure
83. march, match,
84. realize, recognize
85. prevent, protect
86. store, story, storey
87. strike, stick, strict
88. thought, through, thorough, though, although
89. expect, respect, aspect, inspect, suspect
90. steal, steel
91. widow, window
92. text, taxi, tax
93. crayon, canyon
94. award, reward
95. reject, inject, infect, object
96. source, resource
97. purpose, propose
98. command, comment
99. scare, scarce
100. accent, accept
1. affect, effect, effort, infect
2. belief, relief, brief
3. expert, expect, except, perfect
4. expose, explore, explode
5. deserve, reserve, preserve, observe
6. rise, arise, raise
7. insist, consist, resist, assist
8. feel, fell, felt, fall
9. sign, signal
10.supply, apply
11. personal, personnel
12. internal, international
13. amaze, amuse
14. contain, obtain, attain
15. content, contest, context
16. technique, technology
17. remind, remain,
18. inform, reform, perform
19. require, acquire，enquire
20. electronic, electric
21. reason, season,
22. tyre, type
23. fair, fare,
24. distant, constant, instant
25. attitude, altitude, gratitude,
26. choose, chose, choice
27. loss, lose, lost, loose
28. morning, mourning
29. inspect, respect, aspect
30. accident, incident,
31. precious, previous,
32. conscious, serious
33. extinct, distinct
34. classify, clarify
35. space, species, pieces
36. series, serious
37. through, thorough, though, thought,
38. intention, attention,
39. tend, trend, attend, intend
40. cash, crash, dash
41. sense, scene, since
42. research, search,
43. represent, present
44. curtain, certain
45. status, statue
46. resign, design, assign
47. complete, compete, complicate
48. broad, abroad, board
49. family, familiar, similar
50. select, elect, collect
51. account, count, discount
52. stuck, struck
53. source, resource, cause, course
54. possess, process, procedure
55. depress, express, impress
56. weep, sweep
57. include, conclude
58. routine, route
59. unlike, dislike, unlikely
60. unable, disable
61. habit, habitat
62. application, occupation
63. attack, attract
64. apartment, department
65. odd, old, code
66. eve, even,
67. suspect, inspect, respect,
68. model, medal, mental, metal
69. sweet, sweat
70. quiet, quite
71. adapt, adopt
72. daily, dairy, diary
73. test, text
74. dessert, desert
75. later, latter, latest, last, lately
76. costume, custom
77. assess, access
78. clown, crown, crow, cow
79. drawn, drown
80. attitude, altitude, longitude, latitude, gratitude
81. alone, lonely
82. assure, ensure, insure
83. march, match,
84. realize, recognize
85. prevent, protect
86. store, story, storey
87. strike, stick, strict
88. thought, through, thorough, though, although
89. expect, respect, aspect, inspect, suspect
90. steal, steel
91. widow, window
92. text, taxi, tax
93. crayon, canyon
94. award, reward
95. reject, inject, infect, object
96. source, resource
97. purpose, propose
98. command, comment
99. scare, scarce
100. accent, accept