Synonym word of ex-asperate:

be at, be on the back of,bother,bug,bum,dog, drive up the wall,exasperate,gall,get, get on one's nerves, get to, give a hard time, grate,hack,irk,irritate,nag, needle, nettle,peeve,pester, pick on,pique,provoke,tease,vex, wig