“ANNATTO” is a valid word. — 7 points Scrabble

annaa former copper coin of Pakistan and India
nana
nona
anonat another time
naanleavened bread baked in a clay oven in India; usually shaped like a teardrop
nota
anta
anoasmall buffalo of the Celebes having small straight horns

notnegation of a word or group of words
tona United States unit of weight equivalent to 2000 pounds
anamother of the ancient Irish gods; sometimes identified with Danu
tana browning of the skin resulting from exposure to the rays of the sun
antsocial insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers
nanyour grandmother
taoan adherent of any branch of Taoism
tattastelessness by virtue of being cheap and vulgar
tota small amount (especially of a drink)
oatannual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats')
att

to
onin operation or operational
noa negative
ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
anan associate degree in nursing
naa silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
aaa dry form of lava resembling clinkers

ANNATTO