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

and
dona Spanish gentleman or nobleman
hadhave or possess, either in a concrete or an abstract sense
oohexpress admiration and pleasure by uttering `ooh' or `aah'
nah
hon
noda sign of assent or salutation or command
dahthe longer of the two telegraphic signals used in Morse code
adoa rapid active commotion
hao10 hao equal 1 dong in Vietnam
noo
noh
oho
hodan open box attached to a long pole handle; bricks or mortar are carried on the shoulder

onin operation or operational
doan uproarious party
noa negative
oha midwestern state in north central United States in the Great Lakes region
anan associate degree in nursing
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
hoa trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
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)
ada public promotion of some product or service
oda doctor's degree in optometry

DAHOON