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

honora tangible symbol signifying approval or distinction
heronGreek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)
honer

nonea canonical hour that is the ninth hour of the day counting from sunrise
heroa man distinguished by exceptional courage and nobility and strength
horna noisemaker (as at parties or games) that makes a loud noise when you blow through it
noonthe middle of the day
neona colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
honea whetstone made of fine gritstone; used for sharpening razors
hern
hoer

onethe smallest whole number or a numeral representing this number
her
oohexpress admiration and pleasure by uttering `ooh' or `aah'
nor
hon
henadult female chicken
orea mineral that contains metal that is valuable enough to be mined
roefish eggs or egg-filled ovary; having a grainy texture
hoea tool with a flat blade attached at right angles to a long handle
noo
noh
rhothe 17th letter of the Greek alphabet
oho
ernbulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland
eonthe longest division of geological time

hea very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
onin operation or operational
noa negative
oha midwestern state in north central United States in the Great Lakes region
ora state in northwestern United States on the Pacific
eh
era trivalent metallic element of the rare earth group; occurs with yttrium
hoa trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
rea rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
enhalf the width of an em
nea colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
oe

NONHERO