“PRENOON” is a valid word. — 9 points Scrabble

operona segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene

pornocreative activity (writing or pictures or films etc.) of no literary or artistic value other than to stimulate sexual desire
pronehaving a tendency (to); often used in combination

opena clear or unobstructed space or expanse of land or water
poorpeople without possessions or wealth (considered as a group)
nonea canonical hour that is the ninth hour of the day counting from sunrise
nope
ropea strong line
noonthe middle of the day
porncreative activity (writing or pictures or films etc.) of no literary or artistic value other than to stimulate sexual desire
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
poonwood of any poon tree; used for masts and spars
repo
peona laborer who is obliged to do menial work
poreany tiny hole admitting passage of a liquid (fluid or gas)
ponecornbread often made without milk or eggs and baked or fried (southern)

onethe smallest whole number or a numeral representing this number
nor
per
pena writing implement with a point from which ink flows
proan athlete who plays for pay
repinformal abbreviation of `representative'
orea mineral that contains metal that is valuable enough to be mined
roefish eggs or egg-filled ovary; having a grainy texture
noo
ope
ernbulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland
eonthe longest division of geological time

onin operation or operational
noa negative
ora state in northwestern United States on the Pacific
era trivalent metallic element of the rare earth group; occurs with yttrium
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
op
pethe 17th letter of the Hebrew alphabet
oe

PRENOON