“ZIRCONIC” is a valid word. — 21 points Scrabble

ironichumorously sarcastic or mocking
iconicrelating to or having the characteristics on an icon
zircona common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
zincic

ricina toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon
ionicthe dialect of Ancient Greek spoken and written in Attica and Athens and Ionia
conic(geometry) a curve generated by the intersection of a plane and a circular cone
croci
orcin

irona heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
corntall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times
coina flat metal piece (usually a disc) used as money
icon(computer science) a graphic symbol (usually a simple picture) that denotes a program or a command or a data file or a concept in a graphical user interface
noir
croc
zinca bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende
nori
zoria sandal attached to the foot by a thong over the toes
coni
coirstiff coarse fiber from the outer husk of a coconut
cion
inro
zoicpertaining to animals or animal life or action

nor
conan argument opposed to a proposal
cor
rin
coz
iona particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
rocmythical bird of prey having enormous size and strength
orc
zin

ZIRCONIC