-tion

-tion

suffix forming nouns indicating state, condition, action, process, or result: election; prohibition. Compare -ation, -ion [from Old French, from Latin -tiō, -tiōn-]

-tion

or

-sion

a suffix occurring in Latin loanwords, orig. nouns of action or state formed from verbs: relation; section; station; temptation.Compare -ion. [< Latin -tiōn-, s. of -tiō]