1. A, a (1) ―1文字目のアルファベット―
2. a (2) ―aとanの関係―」
3. 8種類もある接頭辞a-
4. abandon
5. abase
6. abash、そして-ish
7. abbot
8. abbreviateとabridge
9. ABC, abecedarian
10. abet, abetment
11. †abhominableとabominable
12. ability
13. ableと-able
14. 2つのabode
15. abolish
16. abound
17. about
18. above
19. abracadabra, Abraxas
20. abridge
21. abstainとabstemious
22. abundantとabound
23. abysmとabyss
24. academy
25. acarusとshear
26. accelerator ― -er か -or か―
27. accent, accept, access
28. accessaryとaccessory
29. acclaimとclaim
30. accompliceとaccomplishとaccompany