Oh, dude, you want a list of words that end with "tion"? That's like asking for a list of things that end with "ing" – there are like a million of them. But sure, here are a few: "celebration," "information," "sensation," and "communication." Enjoy your newfound knowledge, I guess.
A short list of words that end with the suffix -tion would include: information, sensation, communication, annunciation, confirmation, relation, elation, suffocation.
There are plenty of words that end with "tion", but none that start with K unfortunately!
nouns
nouns
Some singular nouns that end with 'tion' are:abbreviationabsolutionaccelerationactionaddictionaffectionafflictionagitationaggregationaviationobligationobservationoccupationoperationoptionorganizationornamentationosculationovationovulation
attentions
Nouns
There are no words in the English language that start with those letters, however there are thousands that end with 'tion'.
keratinisation
combinationconfrontationcorrectionperfectionrepetitionintroductioninfectionaffectionaccommodationcommendationcommunicationammunitionimmunizationconductionreflectionrefractioncondensationinformationerectionejaculationpredeterminationdeterminationfiltrationinsulationeverprotion
Elation
Examples of words ending in -tion:abductionactionauctionbeautificationcausationcautiondonationdurationeducationemotionfictionfractioninductionlotionmentionmotionnationnotionoperationoptionpartitionpetitionportionpositionpotionrotationsanitationsatisfactionsituationstationtaxationtuitionvacation