Calendar rhymes with:
callander, callander, auslander, bohlander, bolander, callander, clevelander, colander, collender, cylinder, englander, friedlander, helander, hollander, hulslander, islander, kolander, kurlander, melander, molander, norlander, nylander, oberlander, oblander, olander, rhode-islander, rylander, selander, thelander, wallander, wilander, zealander
Calendar sounds like:
calamander, calandra, calandro, callander, callender, challender, cilantro, colander, collender, cylinder