| No. | Item | Definition |
|---|---|---|
| 1. | adjunct | attached helper or addition |
| 2. | afterimage | lingering image after viewing |
| 3. | alternate | replacement option or person |
| 4. | apparition | ghostlike appearance |
| 5. | appendage | dependent person or thing |
| 6. | attendant | person accompanying or serving |
| 7. | band | strip or zone of color |
| 8. | blotch | irregular dark mark |
| 9. | blur | indistinct dark shape or mark |
| 10. | cloak | covering that hides or disguises |
| 11. | clone | exact copy or duplicate |
| 12. | cloud | dark mass obscuring light |
| 13. | contour | outer line or shape |
| 14. | copy | something made to resemble another |
| 15. | copycat | person who copies others |
| 16. | counterpart | corresponding person or thing |
| 17. | cover | something that conceals or protects |
| 18. | curtain | screening cover or divider |
| 19. | dark form | figure seen in darkness |
| 20. | dark outline | outline appearing dark |
| 21. | dark patch | area of darker color |
| 22. | darkness | absence or lack of light |
| 23. | derivative | something copied from another |
| 24. | dim shape | faint visible form |
| 25. | dimness | state of weak light |
| 26. | double | lookalike or counterpart |
| 27. | dusk | fading evening dimness |
| 28. | echo | faint repetition or reminder |
| 29. | eclipse | outshine or obscure |
| 30. | emulator | one who imitates closely |
| 31. | escort | person accompanying for protection |
| 32. | extension | continuation or added part |
| 33. | figure | visible shape of someone or something |
| 34. | film | thin covering layer |
| 35. | follow | come after or behind |
| 36. | follower | person who comes behind |
| 37. | footprint | mark left by passage |
| 38. | form | visible shape or configuration |
| 39. | ghost | faint image or lingering presence |
| 40. | gloom | partial darkness or dimness |
| 41. | half-light | dim partial light |
| 42. | hanger-on | person who follows for advantage |
| 43. | haunting | lingering ghostlike presence |
| 44. | holdover | something continuing from before |
| 45. | hover | remain close above or around |
| 46. | image | visual representation or likeness |
| 47. | imitator | one who copies another |
| 48. | impression | faint effect or mark |
| 49. | imprint | mark or lasting effect |
| 50. | likeness | resemblance in appearance |
| 51. | loom | appear dimly and largely |
| 52. | mark | visible sign or stain |
| 53. | mask | covering that conceals identity |
| 54. | mimic | one who imitates another |
| 55. | minion | servile follower or subordinate |
| 56. | murk | darkness with poor visibility |
| 57. | murkiness | dim unclear darkness |
| 58. | obscuration | blocking from sight or light |
| 59. | obscurity | state of being hard to see |
| 60. | observer | person who watches |
| 61. | offshoot | branch or derivative |
| 62. | outline | external shape or contour |
| 63. | overshadow | dominate or cast gloom over |
| 64. | parallel | closely corresponding counterpart |
| 65. | patch | small area differing in color |
| 66. | penumbra | partial outer shadow area |
| 67. | phantom | ghostly or illusory figure |
| 68. | profile | side view or distinct outline |
| 69. | projection | image cast onto a surface |
| 70. | proxy | person acting for another |
| 71. | pursuer | one who follows after |
| 72. | reflection | faint mirrored image or likeness |
| 73. | remainder | what is left over |
| 74. | remnant | small remaining part |
| 75. | reserve | person kept for replacement |
| 76. | residue | remaining trace or deposit |
| 77. | screen | covering that conceals or shields |
| 78. | semblance | outward appearance or faint likeness |
| 79. | shade | partial darkness or shelter from light |
| 80. | shape | visible form or outline |
| 81. | shroud | covering that hides from view |
| 82. | silhouette | dark outline against a lighter background |
| 83. | smudge | blurred dark mark |
| 84. | spot | small mark or patch |
| 85. | streak | long thin mark or band |
| 86. | strip | long narrow piece or band |
| 87. | stripe | long narrow band |
| 88. | tail | person following closely |
| 89. | trace | faint sign or indication |
| 90. | tracker | one who follows movements |
| 91. | trail | marks left behind |
| 92. | twilight | soft dim light |
| 93. | umbra | darkest central shadow |
| 94. | understudy | substitute performer learning a role |
| 95. | veil | thin covering that obscures |
| 96. | vestige | small remaining trace |
| 97. | wake | track left behind |
| 98. | watch | act of observing closely |
| 99. | watcher | person who observes closely |
| 100. | wraith | ghostlike faint figure |