1. Annotation noun

2. A critical or explanatory note

3. appellation noun

4. A name, title or designation

5. eponym noun

6. A person whose name is, or is though to be the source of the name of something.

7. linguistics noun

8. The study of the nature, structure, and variation of language

9. malapropism noun

10. Ridiculous misuse of a word, especially by confusing it with one of similar sound

11. neologism noun

12. A new word, expression, or usage

13. parlance noun

14. A particular manner of speaking

15. patois noun

16. A regional dialect, especially a nonstandard one that has no written tradition.

17. polyglot noun

18. A person who speaks several languages

19. vulgar adjective

20. of or related to the language of the common people, crude, indecent

21. contingent adjective

22. Conditional; dependent on other things

23. eventuality noun

24. Something that may occur; a possibility

25. implausible adjective

26. Difficult to believe; not likely or credible

27. inconceivable adjective

28. Impossible to comprehend or grasp fully

29. in vain adverb

30. Without success; completely ineffective

31. perchance adverb

32. Perhaps, possibly

33. preposterous noun

34. Absurd; contrary to nature, reason, or common sense

35. proclivity adjective

36. A natural inclination; a tendency

37. prone adjective

38. Having a tendency; inclined; likely to do or have somthing

39. theoretical adjective

40. Restricted to ideas; abstract or unproven