“MUCHACHO” is a valid word. — 20 points Scrabble

cachoua scented lozenge used to sweeten the breath (e.g. to conceal the odor of tobacco)

mucha great amount or extent
ouch
comaa state of deep and often prolonged unconsciousness; usually the result of disease or injury
chuma close friend who accompanies his buddies in their activities
chao
machAustrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916)
cocaa South American shrub whose leaves are chewed by natives of the Andes; a source of cocaine
cham

huh
maca waterproof raincoat made of rubberized fabric
hammeat cut from the thigh of a hog (usually smoked)
cama river in east central England that flows past Cambridge to join the Ouse River
hah
humthe state of being or appearing to be actively engaged in an activity
cumthe thick white fluid containing spermatozoa that is ejaculated by the male genital tract
hao10 hao equal 1 dong in Vietnam
ohma unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
moaextinct flightless bird of New Zealand
amu
ocaSouth American wood sorrel cultivated for its edible tubers
moc
mhoa unit of conductance equal to the reciprocal of an ohm

oha midwestern state in north central United States in the Great Lakes region
ama radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
uh
ah
um
mainformal terms for a mother
ha(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day
hoa trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
hma metric unit of length equal to 100 meters
moan indefinitely short time
muthe 12th letter of the Greek alphabet
om

MUCHACHO