literary and artistic

lithe and sinewy

lively and poignant

loathsome and abject

lofty and sonorous
            [sonorous = producing a full, rich sound; impressive speech]

logical and consistent

loquacity and exuberance [loquacity = very talkative.]

loss and deterioration

loud and passionate

loving and reverential

low and groveling

loyal and devoted

lucidity and vividness

lucky and propitious [propitious = auspicious, favorable; kindly]

lucrative and advantageous

ludicrous and detestable

lugubrious and unfortunate [lugubrious = dismal, gloomy]

lukewarm and indifferent

lull and silence

luminous and keen

lure and captivate

lurid and fiery

luscious and lasting

luster and resplendence

lusty and big-sounding

luxury and pomp

M

madness and folly

magical and secret

magnificent and luxurious

majestic and imposing

malice and revenge

malignity and spitefulness

manifold and complex

manly and powerful

manner and conduct

marvels and mysteries

massive and compact

masterly and convincing

materialistic and sordid

maternal and filial

maudlin and grotesque [maudlin = tearfully sentimental]

maxims and morals

meager and bare

mean and debasing

meaning and significance

means and materials

mechanical and monotonous

meddling and muddling

meditative and sympathetic

meek and manageable

melody and softness

memorable and glorious

menace and superciliousness [superciliousness = haughty disdain]

merciful and chivalrous

merciless and unpitying

merit and virtue

mighty and majestic

mild and virtuous

mince and temporize

minds and memories

minuteness and fidelity

mirth and joviality

misdemeanors and improprieties

misery and degradation

misrepresented and reviled

misty and indefinite

mobile and expressive

mockery and imposture

moderate and cautious

modes and methods

modest and retiring

molding and upbuilding

momentary and languid [languid = lacking energy; weak]

momentous and appalling

monopoly and injustice

monotony and indecorum

monstrous and insupportable

moody and brooding