-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)

philotherianism
A fondness for animals.
philoxenism
phlebismus
Obstruction and consequent dilation of veins.
phlebotropism
The involuntary flow of blood toward or away from a stimulus; such as, heat.
phlegmatism
A person of phlegmatic constitution.
phobism (s) (noun), phobisms (pl)
The condition of a person exhibiting an unexplained terror of something: When Mabel's stress level reached a high peak and she became hysterical, she showed a great degree of phobism and went to the doctor to be treated.
phoneticism
The state or quality of being phonetic; phonetic representation.
phonism
1. An auditory sensation occurring when another sense is stimulated; also known as, auditory synesthesia.
2. A form of synesthesia in which there is a sensation of sound or hearing, as a result of the effect of sight, touch, taste, or smell, or even to the thought of some object, person, or general conception.
phosphorism
1. Poisoning caused by long-term exposure to phosphorus.
2. A diseased state of the system caused by phosphorus; chronic phosphorus poisoning.
photism
1. A synesthesia in which a sensation of color or light is associated with a sensation of hearing, taste, smell, or touch.
2. A visual sensation of color evoked by, or associated with, an auditory, olfactory, gustatory, or tactile stimulus.
photochromism
Changing color as a result of exposure to incident radiation; a property of certain organisms when exposed to the light of a particular wavelength.
photomagnetism
Magnetism induced by the action of light.
photoperiodism
1. A property of living organisms wherein biochemical, physiological, and behavioral changes occur in response to systematic variations in light and darkness, as with the seasons or day and night.
2. Any of various behavioral and physiological changes in an organism in response to the amount of daylight to which the organism is exposed; for example, the relative length of day and night on a seasonal or daily basis.
phototropism (s) (noun)
1. The growth, or movement, of a part of a plant in the direction of or away from light sources.
2. The tropism (movement) of an organism in response to the source of a light stimulus.
3. The change of color produced in a substance by the action of light.

A mother is yelling at her daughter, to get down from a tree and the daughter says to her companion, "She doesn't believe kids should manipulate a plant's natural phototropism to create organic arboreal habitats."

—As seen in a cartoon titled "Baldo" by Cantu and Castellanos
in the Stars and Stripes "Sunday Comics" section; July 20, 2008; page 3.
phrenism
Thought-force.