2. Abbreviation. Absolute ¹
3. Abbreviation. academy; academician ¹
4. Abbreviation. accepted ¹
5. Abbreviation. accomodation ¹
6. Abbreviation. acre; acres ¹
7. Abbreviation. adjutant ¹
8. Abbreviation. administration ¹
9. Abbreviation. admit ¹
10. Abbreviation. adult ¹
11. Abbreviation. after ¹
12. Abbreviation. age; aged ¹
13. Abbreviation. air; aircraft; airplane; airman ¹
14. Abbreviation. alto ¹
15. Abbreviation. amateur ¹
16. Abbreviation. America; American ¹
17. Abbreviation. amphibian; amphibious ¹
18. Abbreviation. amplitude ¹
19. Abbreviation. ana; anna ¹
20. Abbreviation. Angstrom ¹
21. Abbreviation. ann? (in the year) ¹
22. Abbreviation. annus (a year) ¹
23. Abbreviation. anode ¹
24. Abbreviation. answer ¹
25. Abbreviation. ante (before) ¹
26. Abbreviation. application ¹
27. Abbreviation. April ¹
28. Abbreviation. approved ¹
29. Abbreviation. aqua ¹
30. Abbreviation. arctic ¹
31. Abbreviation. army ¹
32. Abbreviation. article ¹
33. Abbreviation. Artillery ¹
34. Abbreviation. Asian ¹
35. Abbreviation. asked ¹
36. Abbreviation. associate; association ¹
37. Abbreviation. asymmetric ¹
38. Abbreviation. atomic weight ¹
39. Abbreviation. author ¹
40. Abbreviation. automobile ¹
41. Abbreviation. avancé (fast) ¹
42. Abbreviation. about ¹
43. Abbreviation. acceleration ¹
44. Abbreviation. acre; acres; acreage ¹
45. Abbreviation. act; acting ¹
46. Abbreviation. active; activity ¹
47. Abbreviation. adjective ¹
48. Abbreviation. afternoon ¹
49. Abbreviation. alto ¹
50. Abbreviation. amateur ¹
51. Abbreviation. ampere ¹
52. Abbreviation. ann? (in the year) ¹
53. Abbreviation. annus (a year) ¹
54. Abbreviation. anonymous ¹
55. Abbreviation. answer ¹
56. Abbreviation. ante (before) ¹
57. Abbreviation. anterior ¹
58. Abbreviation. are, ares ¹
¹ Source: wiktionary.com