Here are words with tion
Dictionary
connection
projection
population
detention
correction
population
concentration
There are no words in the English language that start with those letters, however there are thousands that end with 'tion'.
There are plenty of words that end with "tion", but none that start with K unfortunately!
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