Vachon rhymes with:
patchen, sachin, strachan, abstention, appalachian, bastion, christian, cichon, circumvention, combustion, congestion, contravention, cretchen, digestion, duchon, eachan, exhaustion, fanchon, faustian, fortune, gretchen, inattention, indigestion, ingestion, intention, intervention, ketchen, kitchen, luncheon, mcchristian, mccutchan, mccutchen, mccutcheon, mceachin, mcmichen, michon, misfortune, mitchen, molchan, muenchen, neukirchen, nonintervention, patchen, pichon, ponchan, question, rochon, sachin, sebastian, strachan, suchan, suggestion, truchan, urchin
Vachon sounds like:
vaccine, vaccinia, vacuum, vagina, vaguine, vajna, vaughan, vaughn, vecchione, veegenan, vegan, vegesna, vesmen, vesna, vezina, viacom, viagene, vicino, vicon, vicuna, vigen, viggiano, vigna, vigneau, viscomi, vishnu, vision, vixen, vizcaino, vizzini, vogan, voisin, voisine, vossen