Skull, Skate, Skeleton;....
okra
Skunk
There are many words that begin with "K" if you refer to any type of dictionary it will list some as well as you could google words that begin with K.
Yes there are there is kilagram.
There are no matches for your entry
kindergarten
bookkeeper
Kart.
kanel
Knit
Some six letter words with second letter U and fourth letter K are:bucketbucklebunkercuckooduckedduckiehunkerhuskedjunkedjunkerjunketluckedlurkedmuckedmusketmuskoxpuckerpunkedquakesruckussuckersulkedsunkentuckedturkey
khaki