“ZINCOID” is a valid word. — 19 points Scrabble

ionicthe dialect of Ancient Greek spoken and written in Attica and Athens and Ionia
iodic
iodina nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)

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
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
coni
nodi
cion
odic
zoicpertaining to animals or animal life or action
nidia central point or locus of an infection in an organism

dona Spanish gentleman or nobleman
doca licensed medical practitioner
conan argument opposed to a proposal
noda sign of assent or salutation or command
codthe vessel that contains the seeds of a plant (not the seeds themselves)
coz
dina loud harsh or strident noise
iona particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
zin

ZINCOID