“UNVOCAL” is a valid word. — 12 points Scrabble

vocalmusic intended to be performed by one or more singers, usually with instrumental accompaniment

loanthe temporary provision of money (usually at interest)
clangroup of people related by blood or marriage
coalfossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
novaa star that ejects some of its material in the form of a cloud and become more luminous in the process
luna(Roman mythology) the goddess of the Moon; counterpart of Greek Selene
colalarge genus of African trees bearing kola nuts
ovala closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it
loca
ulnathe inner and longer of the two bones of the human forearm
ulan
caulpart of the peritoneum attached to the stomach and to the colon and covering the intestines
calo
clona group of genetically identical cells or organisms derived from a single cell or individual by some kind of asexual reproduction
ulvatype genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce
uncoto a remarkable degree or extent

canairtight sealed metal container for food or drink or paint etc.
vanany creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts)
conan argument opposed to a proposal
luv
cola pass between mountain peaks
lacresinlike substance secreted by certain lac insects; used in e.g. varnishes and sealing wax
vacinformal term for vacation
lava room or building equipped with one or more toilets
ovathe female reproductive cell; the female gamete
ocaSouth American wood sorrel cultivated for its edible tubers
avo100 avos equal 1 pataca in Macao
vau

onin operation or operational
noa negative
anan associate degree in nursing
laa white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
ala silvery ductile metallic element found primarily in bauxite
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)
lo
unan organization of independent states formed in 1945 to promote international peace and security
nuthe 13th letter of the Greek alphabet

UNVOCAL