ition words: Adhibition, Admonition, Ammunition, Apparition, Appetition, Apposition, Contrition, Definition, Demolition, Deposition, Ebullition, Exhibition, Expedition, Exposition, Imbibition, Imposition, Inhibition, Opposition, Repetition, Reposition and Transition itien words: Sorry, but there are none that are 10 letters in length. See Related Links for source.