Words Connotation Group 2

Hi,
I need help understanding the proper “Connotation” of “group 2” words.
I try my best to identify it, but I am unsure whether I am right or wrong. Please correct me If I am wrong.

  1. adulterate (verb) → neutral
  2. advocate (verb) → neutral
  3. aggrandize (verb) → neutral
  4. alacrity (noun) → neutral
  5. ambivalent (adjective) → neutral
  6. ameliorate (verb) → neutral
  7. amenable (adjective) → positive
  8. anachronistic (adjective) → neutral
  9. audacious (adjective) → neutral
  10. avaricious (adjective) → neutral
  11. banal (adjective) → negative
  12. benign (adjective) → neutral
  13. brazen (adjective) → neutral
  14. calumny (noun) → neutral
  15. candid (adjective) → positive
  16. castigate (verb) → neutral
  17. caustic (adjective) → negative
  18. construe (verb) → neutral
  19. contrite (adjective) → neutral
  20. convoluted (adjective) → neutral
  21. covet (verb) → neutral
  22. craven (adjective) → neutral
  23. decorum (noun) → neutral
  24. deft (adjective) → positive
  25. demur (verb) → neutral
  26. derivative (adjective) → neutral
  27. desiccate (verb) → neutral
  28. diatribe (noun) → neutral
  29. incredulous (adjective) → neutral
  30. ingenuous (adjective) → neutral