“NEURINE” is a valid word. — 7 points Scrabble

innerlocated inward
urineliquid excretory product
ennuithe feeling of being bored by something tedious
inurecause to accept or become hardened to; habituate
renina proteolytic enzyme secreted by the kidneys; catalyzes the formation of angiotensin and thus affects blood pressure
enure
inurn

ninethe cardinal number that is the sum of eight and one
ruinan irrecoverable state of devastation and destruction
reinone of a pair of long straps (usually connected to the bit or the headpiece) used to control a horse
runeany character from an ancient Germanic alphabet used in Scandinavia from the 3rd century to the Middle Ages
nene
ernebulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland

runa score in baseball made by a runner touching all four bases safely
inna hotel providing overnight lodging for travelers
nuna woman religious
rueEuropean strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy
ere
urna large vase that usually has a pedestal or feet
rin
rei
nee(meaning literally `born') used to indicate the maiden or family name of a married woman
ree
irea strong emotion; a feeling that is oriented toward some real or supposed grievance
ernbulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland

ina unit of length equal to one twelfth of a foot
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
unan organization of independent states formed in 1945 to promote international peace and security
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
nuthe 13th letter of the Greek alphabet

NEURINE