-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)

pseudoptyalism
Accumulation and drooling of saliva due to dysphagia.
psychism
The theory that a principle of life pervades all nature.
psychoinfantilism (s) (noun), psychoinfantilisms (pl)
The retention of childlike mental or character traits into adulthood.
psychopyrism
The belief that fire is the substance of the soul; psychopyrist, someone who holds this belief.
psychotheism (s) (noun), psychotheisms (pl)
The doctrine of the absolute spirituality of God.
ptomainotoxism
Poisoning by a ptomaine.
ptyalism, ptyalisms
1. The excessive secretion of saliva.
2. Excessive flow of saliva.
puerilism
1. A so-called second childhood; a reversion to childishness.
2. Childish or immature behavior by an adult.
3. In psychiatry, Childishness; the stage following infantilism or infantility and followed by the stage of puberism or puberty.
puerperalism
Disease caused by child bearing.
pugilism (s) (noun), pugilisms (pl)
To be involved in the sport of fighting with the fists..
pus organism
Pyogenic micro-organism, or a micro-organism producing pus; usually, staphylococci and streptococci; but many other organisms also produce pus.
pyrometamorphism
Contact metamorphism (change in the structure of rock) occurring at temperatures near the melting points of the constituent minerals in contact with magma.
pyroseism
Tremors (quakes) caused by volcanic eruptions.
quietism
radicalism