An rhymes with:
ahn, ann, anne, ariane, bahn, ban, banh, bann, beagan, beaudin, began, bhutan, blan, blann, boivin, bouman, bourquin, bousman, boutin, bran, brann, caen, cahn, can, cann, carryanne, catamaran, cezanne, chan, chapin, chauvin, cheyenne, clan, couchman, cspan, cyan, dahn, dan, dann, deguzman, deignan, diahann, diane, dianne, divan, doran, duan, duignan, dupin, duran, dyan, dyane, fan, fann, flan, flann, fran, gahn, gan, gann, gaudin, gaulin, gauvain, gauvin, gayman, georgann, geurin, glahn, gloriane, gnann, grahn, gran, hann, harmattan, harpin, intertan, jahn, jan, jan., jann, japan, joann, joanne, jourdan, kan, kann, kanne, kellyanne, klahn, klan, klann, krahn, lahn, lan, lann, lapan, lappin, lausanne, leann, liane, lianne, liliane, louanne, loudin, lucianne, lyanne, macmahon, mactan, mahn, man, mann, manne, marianne, maryann, maryanne, maupin, mcan, mccahan, mccan, mccann, mcfann, mcgann, mchan, mcmann, mcshan, minivan, moisan, moran, moulin, nan, outran, overran, pan, phan, plan, poulin, quillman, rahn, ran, ranh, rann, rattan, rosanne, roseanne, roussin, ruthann, san, san-fran, saran, scan, sedan, shan, soloman, span, spann, spokane, stan, stann, sudan, susann, susanne, suzanne, tan, tann, than, thanh, toussaint, tran, van, vann, vantran, voisin, wenfan, whan, yahn, yan, zahn, zan
An sounds like:
ahmann, ahn, ahonen, ahwahnee, aim, aiman, aime, aimee, aimone, aine, am, aman, amana, amann, amano, amaya, ame, ameen, amen, amey, ami, amie, amin, amino, amman, ammann, ammeen, ammo, ammon, ammonia, ammonium, amnio, amo, amon, amway, amy, ana, anaheim, anania, anaya, ane, anemia, anemone, anew, ann, anna, annan, anne, annen, annie, anno, annoy, annum, anny, ano, anomie, anona, anway, any, anyhow, anyon, anyone, anyway, aon, aoun, aoyama, auen, auman, aumann, aune, awan, ayn, ayon