Tendon rhymes with:
crittenden, brendan, brenden, brendon, crittenden, denden, mclendon, mendan, abandon, branden, brandon, brendan, brenden, brendon, chittenden, clarendon, condon, crittenden, denden, dundon, escandon, fessenden, glandon, grunden, guindon, harnden, herndon, kundun, landen, landon, linden, lindon, london, lunden, lynden, lyndon, mcalinden, mcclendon, mclendon, mclinden, mendan, minden, morandan, munden, nederlanden, new-london, port-london, rondon, rwandan, saindon, sanden, standen, strinden, sundin, tandon, ugandan, vanden, vanderlinden, vanderzanden, windon, wolfenden, zbinden
Tendon sounds like:
tandem, tandon, tanton, taunton, thymidine, tinton, tomatino, tonton