Definitions of knack
The word knack uses 5 letters:ackkn.
KNACK is playable in:
v. i. - To crack; to make a sharp, abrupt noise to chink. 2
v. i. - To speak affectedly. 2
n. - A petty contrivance; a toy; a plaything; a knickknack. 2
n. - A readiness in performance; aptness at doing something; skill; facility; dexterity. 2
n. - Something performed, or to be done, requiring aptness and dexterity; a trick; a device. 2