oak. auk. ark. ask. yak. elk. ink. ilk. irk. wok. dak. jak.
A three-letter word for chess pieces is "men."
funk
backtrack
asterisk
* Auk * Elk * Yak
amuck
alkylketalkevelkneelknellknollknurlkraalkrillskillskirlskullvakilyokel
squawkstreak
duck
Kangaroos
How about one that ends with K ? bank
knuckle