“HAVIOUR” is a valid word. — 13 points Scrabble

houra period of time equal to 1/24th of a day
haira covering for the body (or parts of it) consisting of a dense growth of threadlike structures (as on the human head); helps to prevent heat loss
hora
arvo
hoarice crystals forming a white deposit (especially on objects outside)
vair
ohia

our
aira mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
via
rah
hao10 hao equal 1 dong in Vietnam
oaran implement used to propel or steer a boat
ria
oraa mouth or mouthlike opening
rhothe 17th letter of the Greek alphabet
vara unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere
ovathe female reproductive cell; the female gamete
avo100 avos equal 1 pataca in Macao
vau

oha midwestern state in north central United States in the Great Lakes region
ora state in northwestern United States on the Pacific
uh
hian expression of greeting
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
aian agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere

HAVIOUR