kaleidoscopically, karyogamy, karyology, karyotypically, kaury, kay, kazatsky, keenly, kelly, kelpy, keratoplasty, keratotomy, kerry, kersey, key, keyway, kicky, kiddingly, kiddy, kidney, kielbasy, killingly, killjoy, kilty, kindheartedly, kindlessly, kindly, kinematically, kinesiology, kinesthetically, kinetically, kingly, kinkily, kinky, kissably, kissy, kitschy, kittenishly, kitty, kludgy, klutzy, knackery, knarry, knavery, knavishly, knightly, knobbly, knobby, knolly, knottily, knotty, knowingly, knowledgeability, knowledgeably, knubby, knuckly, knurly, kolacky, kolhozy, kolinsky, kolkhosy, kolkhozy, kolkozy, kooky, koruny, kouprey, kremlinology, kvetchy, kymography

RE:
word which starts with k ends with y?

Kissy

Kimpy

Kathy

Krusty

=)