-oid, -oidal, -oidism, -odic

(Greek: a suffix; like, resembling, similar to, form)

calcaroid
cancroid
carcinoid
cardioid
carpoids
cephaloid
ceratoid
cerebroid
ceroid
cerolipoid
chondroid
cleidohyoid
cleidomastoid
The collar bone which articulates with the shoulder on one end and the sternum (breast bone) on the other combined to form the sternocleidomastoid which is one of two muscles located on the front of the neck that serve to turn the head from side to side.
coccoid
coccoidal

Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": eido-; figur-; form-; icono-; ideo-; imag-; morpho-; typo-.