鞭 - whip, rod, counter for whippings

champagne

carrot and stick; candy and whip

dinoflagellate

flagellum

to work hard; to keep one's nose to the grindstone; to whip a jaded horse

to whip; to lash; to give the rod; to spur on; to encourage

birch rod

to teach; to take a teaching job

phytoflagellates

dinoflagellate

Choanozoa (phylum of protists closer to animals than to fungi)

whipping; using the whip