There are plenty of words that end with "tion", but none that start with K unfortunately!
Some words that start and end with the letter K are:kayakkickkinfolkkinkkioskknackknapsackknock
kin
kelp kelp, keep...
Some compound words that start with K are:keepsakekettledrumkeyboardkeychainkickoffkindheartedknickknackknockoff
There are plenty of words that end with "tion", but none that start with K unfortunately!
Some words that start and end with the letter K are:kayakkickkinfolkkinkkioskknackknapsackknock
kayakkickkickbackkinkknackknapsackknock
kachinakoalaKunaSome words that start with k and end with a:kahunakanakarmakashakavakielbasakleptomaniakoalakwachakwanza
Kayak
Kick and kilt.
kin
Some words that start with the letter c and end with the letter k include:caulkchickchink (a piece)clackclickclockcluckcock (rooster)cookcrackcrankcrankshaftcreekcreakcrickcroakcrockcrook
keel
kilogramm kaboom
Key Kentucky Kinky
Keep, Kelp, Knapp