-ism, -ismus

(Greek, ismos; Latin, ismus: a suffix: belief in, practice of, condition of, process, characteristic behavior or manner, abnormal state, distinctive feature or trait)

sphincterismus
Spasmodic contraction of the sphincter ani muscles.
spirillotropism
The ability to attract spirilla.
spiritism
spiritualism
spoonerism
stercoranism
The doctrine or belief of the Stercoranists which was a belief that the consecrated Eucharist is digested and evacuated just as the consumption of any other food.
stereoisomerism
stereotropism
stigmatism (s) (noun), stigmatisms (pl)
1. The state of a refracting or reflecting system in which light rays from a single point are accurately focused at another point.
2. Normal eyesight.
stimulism
subjectivism
suicism
suigenderism
supernaturalism (s) (noun), supernaturalisms (pl)
1. A belief in or doctrine of a mysterious agency that intervenes in the course of natural law: Supernaturalism is a conviction or view that a devine agency is revealed in human events or in religious revelations.
2. The quality of a preternatural character or agency: Supernaturalism includes the powers of beings that go beyond natural forces and cannot be understood by people.
superseptuagenarianism