obs (obsolete) in Label

> Oxford English Dictionary
> 
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> Found: 80599 entries
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> 
>   1. a
>   2. a
>   3. a
>   4. a
>   5. a
>   6. a
>   7. a
>   8. a
>   9. aa
>  10. aa
>  11. aare
>  12. ab
>  13. abaciscus
>  14. aback
>  15. aback
>  16. abackstays
>  17. abackward
>  18. abactor
>  19. abacus
>  20. abada
>  21. abaeili-en
>  22. abaft
>  23. abail
>  24. abaisance
>  25. abait
>  26. abalienate
>  27. abalienation
>  28. aband
>  29. abanderado
>  30. abandon
>  31. abandon
>  32. abandon
>  33. abandon
>  34. abandonate
>  35. abandoning
>  36. abandonly
>  37. abanet; abnet
>  38. abann; abanne
>  39. abannation
>  40. abannition
>  41. abaptiston
>  42. abar
>  43. abare
>  44. abas
>  45. abase
>  46. abase
>  47. abased
>  48. abaser
>  49. abash
>  50. abash
>  51. abashance
>  52. abashedness
>  53. abasing
>  54. abassi
>  55. abastard
>  56. abastardize
>  57. abastardized
>  58. abasure
>  59. abatayl
>  60. abataylment
>  61. abate
>  62. abate
>  63. abated
>  64. abatement
>  65. abating
>  66. abave
>  67. abay
>  68. a-baye
>  69. abayle
>  70. abbadisse
>  71. abbatess; abbotess
>  72. abbathie
>  73. abbatical
>  74. abbatie
>  75. abbess
>  76. abbey-like
>  77. abboddie
>  78. abbodisse
>  79. abbot
>  80. abbotess
>  81. abbotric
>  82. abbreviarist
>  83. abbreviate
>  84. abbreviate
>  85. abbreviately
>  86. abbreviator
>  87. abbreviature
>  88. abbrevy; abbrevye
>  89. abbrochment
>  90. abbudisse
>  91. ABC
>  92. abda
>  93. abdicate
>  94. abdication
>  95. abdite
>  96. abditive
>  97. abdomen
>  98. abduce
>  99. abear
> 100. abear
 
(etc. etc.)