-oid, -oidal, -oidism, -odic

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

serranoid
A reference to the Serranidae or a large family of fish with large mouths and small spines on the gill coverings.

They usually have several rows of sharp teeth, normally with a pair of particularly large, canine-like teeth projecting from the lower jaw.

The family contains about 450 species of serranids in 64 genera, including sea basses and groupers (typically having stout bodies and large mouths).

sialoid
Resembling saliva.
spermatoid
spermatozoid
An antherozoid; a free-swiming male gamete.
spermotoid
speroid
spheroid, ellipsoid of revolution
1. A three-dimensional object that is shaped like a sphere, but is not perfectly round; such as, an ellipsoid or a geometric surface or a solid figure shaped like an oval.
2. Having a shape that is approximately spherical.
3. Any globular body, or one resembling a sphere.
4. An ellipsoid (a geometric surface or a solid figure shaped like an oval) generated by the rotation of an ellipse (a two-dimensional shape like a stretched circle with slightly longer flatter sides) around one of its axes or a straight line around which a geometric figure or a three-dimensional object is symmetrical.
spheroidal
1. Relating to or referring to something that is shaped like a spheroid.
2. A body that is shaped like, or resembles, a sphere, but is not perfectly round or spherical.
3. Roughly spherical, approximately round or ball shaped.
sphygmoid
splenoid
sporoid
sternoid
syncytoid
syringoid
systemoid

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