Some three syllable words beginning with K:
Kite Kiss Kissing Kissed
Kit, kip, kid, kin...
keg, key, kid, kit
The area beyond the planets is known as the Kulper belt. It begins with the letter K.
Kia is a car model. It begins with the letter K.
Kaliningrad is a city in Russia. It begins with the letter K.
Kobe beef
Korean Fir, Korean Pine, Kousa Dogwood, Kobus Magnolia, Kunquat and Kiwi are trees that begin with the letter K.
Kicks begins with "k" and the 4th letter is "k".
Kerplunk is a funny word. It begins with the letter k.
Ketchup
keg, ken, kid, kin, kip, kit
A three-letter word for chess pieces is "men."
Kidney is a biology word. It begins with K.
kindhearted
KANGAROO
kneading
koala
kick
The five letter word is kilts