Still more top-of-the-page juxtapositions taken from Webster’s College Dictionary.

metronome to miasma

miniaturist to Minor Prophet
mistaken to mitsvah
moneygrubber to monkey puzzle

motherboard to Motown
munster to musculature
National Socialism to naughty
obelisk to oblique
off-limits to oil
ownership to Ozark Mountains
party-colored to passage grave*
peanut to pectoral
penitentiary to pentagon
perceptual to perfect
phooey to phosphocreatine
pickled to pièce de résistance
pill to piña colada

*noun; a chamber tomb with a narrow entrance passage leading to the burial chamber