kindle

To start (a fire) or light (a torch, a match, coals, etc.).

To arouse or inspire (a passion, etc).

"He kindled an enthusiasm for the project in his fellow workers."

To begin to grow or take hold.

(collective) A group of kittens.

"A kindle of kittens."

(of a rabbit or hare) To bring forth young; to give birth.

(of an animal) pregnant