“TACHE” is a valid word. — 10 points Scrabble

each(used of count nouns) every one considered individually
hatethe emotion of intense dislike; a feeling of dislike so strong that it demands action
heata form of energy that is transferred by a difference in temperature
chatan informal conversation
achea dull persistent (usually moderately intense) pain
cate
etchmake an etching of
tachmeasuring instrument for indicating speed of rotation
tace
eath
thae
haet

the
eattake in solid food
acta legal document codifying the result of deliberations of a committee or society or legislative body
teaa beverage made by steeping tea leaves in water
catfeline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats
hatheaddress that protects the head from bad weather; has shaped crown and usually a brim
ategoddess of criminal rashness and its punishment
acethe smallest whole number or a numeral representing this number
tae
hae
etaa terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create an independent homeland in Spain's western Pyrenees
hetmade warm or hot (`het' is a dialectal variant of `heated')
eth

hea very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
ah
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
eh
et
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
ae

TACHE