extremism (n.)
- abandon
- anarchism
- bigotry
- boundlessness
- conversion
- enormousness
- exaggeration
- excess
- excessiveness
- exorbitance
- extravagance
- extravagancy
- extreme
- extremeness
- extremity
- fanaticism
- giantism
- gigantism
- gluttony
- hyperbole
- hypertrophy
- immoderateness
- immoderation
- incontinence
- inordinateness
- insurrectionism
- intemperance
- intemperateness
- meliorism
- nihilism
- nimiety
- outrageousness
- overgrowth
- overindulgence
- overmuch
- overmuchness
- overreaction
- progressivism
- rabidness
- radicalism
- rebelliousness
- reform
- reformation
- reformism
- regeneration
- revisionism
- revolution
- revolutionism
- sedition
- subversiveness
- syndicalism
- traitorousness
- transformation
- utopianism
- zealotry
