option,
station,
nation,
graduation,
celebration,
abomination,
reconization,
There are plenty of words that end with "tion", but none that start with K unfortunately!
nouns
nouns
Nouns
attentions
There are no words in the English language that start with those letters, however there are thousands that end with 'tion'.
combinationconfrontationcorrectionperfectionrepetitionintroductioninfectionaffectionaccommodationcommendationcommunicationammunitionimmunizationconductionreflectionrefractioncondensationinformationerectionejaculationpredeterminationdeterminationfiltrationinsulationeverprotion
Elation
keratinisation
A short list of words that end with the suffix -tion would include: information, sensation, communication, annunciation, confirmation, relation, elation, suffocation.
Examples of words ending in -tion:abductionactionauctionbeautificationcausationcautiondonationdurationeducationemotionfictionfractioninductionlotionmentionmotionnationnotionoperationoptionpartitionpetitionportionpositionpotionrotationsanitationsatisfactionsituationstationtaxationtuitionvacation
annunciation annotation annexation animation