Here are words with tion
Dictionary
connection
projection
population
detention
correction
population
concentration
There are plenty of words that end with "tion", but none that start with K unfortunately!
There are no words in the English language that start with those letters, however there are thousands that end with 'tion'.
nouns
nouns
A short list of words that end with the suffix -tion would include: information, sensation, communication, annunciation, confirmation, relation, elation, suffocation.
attentions
Nouns
Ation is not a prefix; it is a suffix. Some words with this suffix are specialization, aggravation, and alternation.
petition completion competition
keratinisation
combinationconfrontationcorrectionperfectionrepetitionintroductioninfectionaffectionaccommodationcommendationcommunicationammunitionimmunizationconductionreflectionrefractioncondensationinformationerectionejaculationpredeterminationdeterminationfiltrationinsulationeverprotion
Elation