“COHOST” is a valid word. — 11 points Scrabble

shotthe act of firing a projectile
costthe total spent for goods or services including money and time and labor
hosta person who invites guests to a social event (such as a party in his or her own home) and who is responsible for them while they are there
shoodrive away by crying `shoo!'
hoota loud raucous cry (as of an owl)
hots
coosthe sound made by a pigeon
soota black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
toshpretentious or silly talk or writing
scota native or inhabitant of Scotland
cootslate-black slow-flying birds somewhat resembling ducks
cotsa sheath worn to protect a finger
oohsexpress admiration and pleasure by uttering `ooh' or `aah'
cohofatty pinkish flesh of small salmon caught in the Pacific and Great Lakes
cosha piece of metal covered by leather with a flexible handle; used for hitting people
oots
soth

tooto a degree exceeding normal or proper limits
hotused of physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning
oohexpress admiration and pleasure by uttering `ooh' or `aah'
cosratio of the adjacent side to the hypotenuse of a right-angled triangle
cota sheath worn to protect a finger
coothe sound made by a pigeon
oot
thoa branch of the Tai languages
oho
sota chronic drinker
ohs

to
sothe syllable naming the fifth (dominant) note of any musical scale in solmization
oha midwestern state in north central United States in the Great Lakes region
hoa trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
sh
osa mouth or mouthlike opening

COHOST