General Rule: If a verb ends in two consonants, simply add -ion to change it to a noun.

General Rule:  If a noun ends in -ic, simply add -ian to change it meaning a person who does the noun.

This lesson consists of base words ending in -t and their -ion changes meaning "the act or result of" the base word.  The second set of words end in -ic and add -ian to mean "referring to someone who does."

Sort base words ending in -t under Base -t.

Sort words that added -ion to -t words under +ion.

Sort base words ending in -ic under Base -ic.

Sort words that added -ian to -ic words under +ian.

Categories:  Base -t          +ion         Base -ic          + ian

assert - assertion - magic - magician - invention - digest - music - suggestion - optic - optician - digestion - invent - clinic - adoption - musician - diagnostic - logician - suggest - adopy - insertion - logic - insert - diagnostician - clinician