Absecon rhymes with:
recon, rubicon, acetosyringone, alteon, bergeron, calgon, crampon, decathlon, delaune, devaughn, doggone, einon, haton, incheon, inchon, jumbotron, kirwan, lieson, malathion, mouton, papon, ptyon, recon, rubicon, savion, savon, scaleatron, sephlon, styron, suon, teason
Absecon sounds like:
abkhazian, abscam, abyssinia, abyssinian, afghan, afghani, afsane, aubuchon, avakian, aviacion, aviazione, avignon