word parts

A-Z Word Parts Find roots and affixes with example words Word Parts GuideAbout this feature

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Word part Type Origin Definition
-ion noun-forming suffix Latin the act, process, or result of
ir-1 prefix Latin in, into, on
ir-2 prefix Latin not, without
-ish adjective-forming suffix Old English of, resembling; somewhat
-ism1 noun-forming suffix Greek act, process, state, practice, or instance of
-ism2 noun-forming suffix Greek doctrine, belief, theory
iso- prefix Greek equal, same
-ist noun-forming suffix Greek person who does or believes in
it, itiner root Latin journey, road
-ite1 adjective-forming suffix Latin in a state or condition (produced by the action denoted by the verb base)
-ite2 noun-forming suffix Greek person or thing that comes from, or is a member or follower of
-ite3 noun-forming suffix Latin and Greek mineral or fossil
-itious adjective-forming suffix Latin having the nature of, characterized by
-itis noun-forming suffix Greek inflammation
-ive, -ative adjective-forming suffix Latin tending to, connected with, or performing
-ization noun-forming suffix Latin and Greek act, fact, or process of
-ize, -ise verb-forming suffix Greek to turn into or cause to be
ject, jet, jac root Latin throw; lie
jud, jur, just root Latin justice, law; swear
junct root Latin join
kilo root Greek thousand