mystery

mysterious

myopia

mycology

mutual

mutton

mutter

mustard

musk

mushroom

murmur

municipal

mumps

multiply

multitude

multiplication

multiple

mucus

mucosa

mouse

mourn

mount

mould

moss

motto

mothball

moth

motel

mortal

morphology

morphine

morbidity

morbid

morality

moral

monster

monotonous

mood

monocyte

monitor

monetary

moment

molecule

molecular

mole

molten

molar

moisture

moist

modesty

moderate

modulate

modify

modification

modest

mock

mobilize

mobile

moan

mitral

mitigate

mist

mission

missile

mismatch

miserable

miscarriage

misbirth

miracle

minute

minus

mint

minor

minister

minibus

miniature

mingle

misery

millionaire

mince

minority

mimic

mill

military

mild

ministry

migrate

microbiology

microbe

midst

microorganism

microfilm

metropolitan

methodology

meticulous

metastasis

metallic

metabolism

mess

mesh

merry

merit

merge

mercy

mercury

merchant

merchandise

meteorology

mental

menstrual

menace

memorize

meningitis

mend

memorandum

memorable

membrane

melon

melody

melanin

medulla

medium

meditate

Mediterranean

medico-legal

medico-athletics

medicinal

medication

medicare

meddle

median

mechanism

measles

meadow

maximize

maximum

maze

maximal

mature

maturate

matron

maternal

mastery

maternity

mat

masterpiece

mass

massive

massage

mask

masculine

Marxist

Maxim

Marxism

marvelous

marvel

martyr

marshal

marsh

march

marrow

marine

marble

margin

manuscript

manual

manifest

mansion

manometer

manipulate

maneuver

mandatory

managerial

mammal

malignant

malicious

malfunction

malnutrition

malaria

malaise

majority

malformation

majesty

majestic

maintenance

maiden

maid

magnitude

magnify

magnifier

magnificent

magnetic

magnet

magnesium

magic

macular

macula

macroscopical