It may be "Keen" definition: "to wail in lamentation" example: at a funeral
kove
donk
Cantering, capering, clearing
kiss
Well I don't think that their is a synonym for the word forever that starts with K but you could make it whimsical and use continuously with a k in the beginning!!! Sorry
A sweet word that starts with K is kisses (Hershey's).
a word that starts with k and ends in n is known
K
4 letter word that starts with k
The curse word that starts with "p" and ends in "k" is likely "prick."
A slang word that starts with k is knackered
kinetic