Similar word to co-unselling:

advise, berate, call down, call on the carpet, censure, check, chide, come down hard on, counsel, ding, draw the line, enjoin, exhort, forewarn, give a going over, give a piece of one's mind, glue, growl, hoist, jack up, notice, rap on knuckles, rap, rebuke, reprimand, reprove, scold, sit on, slap on wrist, speak to, talk to, tell a thing or two, tell off, upbraid, warn