-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)

infusionism (s) (noun), infusionisms (pl)
In theology, the doctrine that the human soul emanates from the divine substance, and is infused into the body at conception or birth.
insularism
insulism
intellectualism
internationalism (s) (noun), internationalisms (pl)
Multiple countries working together on common issues: Internationalism can be a political movement that advocates greater economic and political cooperation among nations.
intuitionalism (s) (noun), intuitionalisms (pl)
The doctrine that the perception or recognition of primary truth is direct and immediate without the need for any facts.
invalidism
iodism
Poisoning from th chronic ingestion of iodine or its compounds, or from intensive, repeated therapy.
iotacism (s) (noun), iotacisms (pl)
1. The tendency in speakers of modern Greek to use the sound of iota in place of the sound of other vowel characters; such as, "eta" or "upsilon".
2. The practice in modern Greek of giving the pronunciation of iota "ee" to certain diphthongs and long vowels.
irrationalism
isocephalism
isodactylism
A condition of having fingers (or toes) of equal length.
isolationism (s) (noun)
A government policy based on the belief that national interests are best served by avoiding economic and political alliances with other countries.
isomerism
1. Repetition of similar parts.
2. The condition of having two or more comparable parts made up of identical numbers of similar segments.
journalism
1. The occupation of reporting, writing, editing, photographing, or broadcasting news or of conducting any news organization as a business.
2. writing that reflects superficial thought and research, a popular slant, and hurried composition, conceived of as exemplifying topical newspaper or popular magazine writing as distinguished from scholarly writing: "He calls himself a historian, but his books are mere journalism."