Karaoke, katydid, kayaker, keenest, keeping, keycard, kickoff, killjoy and kneecap are seven letter words. They begin with the letter k.
Kellogg, oops.... will a name work?
kernels kidnaps knuckle killers kicking
keynote
mcdonalds
A two word thing beginning with the letter k is kami kazi.
kangaroos
khaki, kicks
There are no four letter words that begin with k and include the letter z.
I think there is none
Kinetic and kleptomaniac begin with the letter k. They end with the letter c.
KeepingKnelledKeelingKillersKingpinKnowing
haddock
Killshot
knapsacks