Week 3

31. guru
32. heritage
33. hieroglyphic
34. hologram
35. hypocrisy
36. immune
37. impertinent
38. inference
39. introspection
40. jaunty
41. jovial
42. kilometer
43. labyrinth
44. laconic
45. lichen

Week 4

46. light-year
47. maneuver
48. marsupial
49. metaphor
50. mosaic

51. mutation
52. nebula
53. nocturnal
54. nuisance
55. omnivore
56. outrageous
57. ozone
58. parasite
59. participle
60. phloem

Week 5

61. plateau
62. polygon
63. protagonist
64. pulverize
65. quandary
66. quarantine
67. quota
68. rainforest
69. random
70. recede
71. renaissance
72. renegade
73. repose
74. sacrifice
75. silhouette

Week 6

76. solstice
77. spectrum
78. stereotype
79. strategy
80. suffrage
81. symbiosis
82. tariff
83. technique
84. tempo
85. toxin
86. tranquility
87. tumult
88. tundra
89. ultraviolet
90. unanimous