M

   1. M - Mach
   2. Mach Interface Generator - MacLeish
   3. Macleod - Macroura
   4. Macroural - Madjoun
   5. Madly - Magic Switch Story
   6. magic trick - magnetic tape drive
   7. magnetic variation - mahagua
   8. Mahaled - Mail Application Programming Interface
   9. mail boat - Maintaining
   10. Maintainor - make believe
   11. make bold - Malacosteon
   12. Malacostomous - male berry
   13. male body - malignant hyperthermia
   14. malignant melanoma - malposed
   15. malposed tooth - Mammee
   16. mammee apple - Manawyddan
   17. Manbote - Manduca sexta
   18. Manducable - Maniacal
   19. maniacally - man-made
   20. man-made fiber - mantichora
   21. manticora - Many-sided
   22. Manyways - Marbleizing
   23. Marbler - Mare's-tail
   24. Marfans syndrome - marijuana
   25. marijuana cigarette - Marketableness
   26. Marketed - Marquis
   27. Marquis de Lafayette - Marshaled
   28. Marshaler - Martynia annua
   29. Martynia arenaria - Masculine
   30. masculinisation - Massachusetts Bay Colony
   31. Massachusetts fern - Mastful
   32. Masthead - Matchmaking
   33. matchstick - matins
   34. Matisse - matt-up
   35. Maturant - Mauveine
   36. Mauvine - Mayan
   37. Mayan language - MDiv
   38. MDMA - Meanwhile
   39. meany - mechanised
   40. Mechanism - Mediate
   41. Mediated - Medieval Greek
   42. Medieval Latin - Meetness
   43. mefenamic acid - Megatheriidae
   44. Megatherium - melanoderma
   45. Melanogrammus - Mellification
   46. Mellifluence - Melursus ursinus
   47. Melvil Dewey - Menaccanite
   48. Menace - Menology
   49. Menominee - mental unsoundness
   50. mentalism - Mercedario
   51. Mercenaria - Mergus
   52. Mergus albellus - Merthiolate
   53. Merton - Mesocolon
   54. Mesocoracoid - Messaging Application Programming Interface
   55. Messaging Applications Programming Interface - Metagraphy
   56. metagrobolised - Metapeptone
   57. metaphase - Metempirics
   58. Metempsychose - Methodizing
   59. Methodological - metro
   60. Metrochrome - Mezquita
   61. mezuza - Mickey Spillane
   62. Mickle - Microhm
   63. Microhylidae - Microsoft Certified Systems Developer
   64. Microsoft Corporation - Middle English
   65. middle finger - midvein
   66. Midward - Mile-High City
   67. Milen - military volunteer
   68. military-industrial complex - millettia
   69. mill-girl - Mimetene
   70. Mimetic - mineral water
   71. mineral wax - mining engineer
   72. mining geology - Mint
   73. mint candy - Mirounga
   74. Mirror - Miscarrying
   75. Miscast - Misdevotion
   76. Misdid - mishegoss
   77. Mishmash - misperceive
   78. Misperception - missionary station
   79. missionary work - Mistreatment
   80. Mistress - Mitrailleuse
   81. Mitral - Mniaceae
   82. Mnium - model checking
   83. Model is considered old-fashioned or simplistic by proponents - MODSIM II
   84. Modula-2* - moisturise
   85. moisturize - Mollifiable
   86. Mollification - Momot
   87. Momotidae - monetarism
   88. monetarist - Monitrix
   89. Monk - Monocular
   90. monocular vision - monomer
   91. Monomerous - Monostichous
   92. monostotic fibrous dysplasia - Monteith
   93. Montem - Moon-eye
   94. Moon-eyed - Mopsical
   95. Mopstick - Morepork
   96. mores - morpheme
   97. morphemic - Mortrew
   98. Mortuaries - most-favored-nation
   99. Mostic - motion-picture show
   100. motivate - Motty
   101. Mouazzin - mountain devil
   102. mountain ebony - mouse eared chickweed
   103. mouse elbow - movie theatre
   104. moviegoer - msasa
   105. MSB - Mucousness
   106. mucoviscidosis - Mughouse
   107. Mugiency - Mulley
   108. Mullidae - MultiMedia Extension
   109. Multimedia Internet Mail Extensions - multitudinousness
   110. Multi-User Dimension - Mungo
   111. Mungo Park - Murk
   112. Murkily - muscle relaxant
   113. muscle sense - Mush
   114. musher - Musketeer
   115. Musketo - muster out
   116. muster roll - Mutule
   117. muumuu - myelinic
   118. myelinisation - Myopsis
   119. Myopus - Myrrh
   120. myrrh tree - Mytilotoxine
   121. Mytilus - MZ