-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)

eurygnathism
Having a wide jaw.
euthymism
A normal condition of thymus activity.
euthyroidism
eutropism (s) (noun), eutropisms (pl)
evangelicism (s) (noun), evangelicisms (pl)
Evangelical principles; evangelism.
evangelism (s) (noun), evangelisms (pl)
1. The zealous preaching or spreading of the gospel, "good news".
2. The work of an evangelist.
evolutionism
1. The theory of biological evolution.
2. Belief in the theory of biological evolution.
3. Advocacy of or belief in biological evolution.
existentialism (s) (noun), existentialisms (pl)
A belief or doctrine of the 20th century which stresses the quality of the singularity in each human and that every person is responsible for their own actions: The German philosopher, Martin Heidegger, inspired Sartre in the doctrine of existentialism, a literary and philosophical movement.
exomorphism
1. A change in a rock mass caused by the intrusion of external igneous material; in the usual sense, contact metamorphism.

Metamorphism is a process of change in the physical structure of rock as a result of long-term heat and pressure, especially a change that increases the rock's hardness and crystalline structure

2. In petrography, that variety of contact-metamorphism which is developed, in the surrounding walls, by an intruded mass of eruptive rock.
exorcism (s), exorcisms (pl) (nouns)
1. The act of driving out, or warding off, demons, or evil spirits, from persons, places, or things, which are believed to be possessed or infested by them, or are liable to become victims or instruments of their malice: "In recent years, there has been a revival of the practice of exorcism and an increasing demand for the services of exorcists by troubled individuals."
2. The act of casting out demons or evil spirits in a ritual designed to free individuals from evil influences "A formula used during an exorcism and in some churches, exorcism is practiced prior to baptism."
3. Something that a person can do that helps him or her to stop thinking about a bad experience or memory: "The psychiatrist helped his patient to get rid of the terrible depressions she had as a result of the death of her young daughter by a sex offender by using a form of exorcisms that included hypnotism and positive thinking exercises."
4. Etymology: from 1395, a calling up or driving out of spirits; borrowed from Late Latin exorcismus, from Greek exorkismos, from exorkizein, "bind by oath," from ex-, "out of" + horkizein, "cause to swear", from horkos, "oath".
expansionism
experientialism
experimentalism
expressionism
fanaticism
1. An excessive intolerance of opposing views.
2. An excessive, irrational zeal.
3. A fanatical character, spirit, or conduct.

The tendency to claim God as an ally for our partisan values and ends is the source of all religious fanaticism.

—Reinhold Niebuhr

Fanaticism is often zeal without knowledge or without a rational basis.

—John Rayoa