dict.txt

# cat -n /usr/share/dict/words | grep "^M.*" | head -n 200
M
M's
MCI
MCI's
MGM
MGM's
MHz
MIT
MIT's
Maalox
Maalox's
Mabel
Mabel's
Mable
Mable's
MacArthur
MacBride
MacDonald
MacLeish
Macao
Macaulay
Macbeth
Maccabeus
Mace
Macedon
Macedonia
Macedonian
Macedonians
Mach
Machiavelli
Machiavellian
Macias
Macintosh
Mack
Mackenzie
Mackinac
Mackinaw
Macmillan
Macon
Macumba
Macy
Madagascan
Madagascans
Madagascar
Madden
Maddox
Madeira
Madeiras
Madeleine
Madeline
Madelyn
Madge
Madison
Madonna
Madonnas
Madras
Madrid
Madurai
Mae
Maeterlinck
Mafia
Mafias
Mafioso
Magdalena
Magdalene
Magellan
Magellanic
Maggie
Maghreb
Magi
Maginot
Magnitogorsk
Magog
Magoo
Magritte
Magsaysay
Magyar
Magyars
Mahabharata
Maharashtra
Mahavira
Mahayana
Mahayanist
Mahdi
Mahfouz
Mahican
Mahicans
Mahler
Mai
Maidenform
Maigret
Mailer
Maillol
Maiman
Maimonides
Maine
Maisie
Maitreya
Major
Majorca
Majuro
Makarios
Malabar
Malabo
Malacca
Malachi
Malachi's
Malagasy
Malamud
Malamud's
Malaprop
Malaprop's
Malawi
Malawi's
Malay
Malay's
Malayalam