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

rooks(chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
karoo
okraslong green edible beaked pods of the okra plant

rook(chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
soakthe process of becoming softened and saturated as a consequence of being immersed in water (or other liquid)
sora
soarthe act of rising upward into the air
sook
oaksthe hard durable wood of any oak; used especially for furniture and flooring
oarsan implement used to propel or steer a boat
sark
okralong green edible beaked pods of the okra plant
korsan ancient Hebrew unit of capacity equal to 10 baths or 10 ephahs
arks(Judaism) sacred chest where the ancient Hebrews kept the two tablets containing the Ten Commandments
okasa Turkish unit of weight equal to about 2.75 pounds
koas
osara mouth or mouthlike opening

askinquire about
oakthe hard durable wood of any oak; used especially for furniture and flooring
ark(Judaism) sacred chest where the ancient Hebrews kept the two tablets containing the Ten Commandments
oaran implement used to propel or steer a boat
oraa mouth or mouthlike opening
okaa Turkish unit of weight equal to about 2.75 pounds
rasthe network in the reticular formation that serves an alerting or arousal function
ska
koran ancient Hebrew unit of capacity equal to 10 baths or 10 ephahs
koa
ars
kos(in India) a unit of length having different values in different localities
kas
ors
oks

sothe syllable naming the fifth (dominant) note of any musical scale in solmization
asa very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
ora state in northwestern United States on the Pacific
ok
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
kaunknown god; an epithet of Prajapati and Brahma
osa mouth or mouthlike opening

KAROOS