Euan rhymes with:
ewan, ewen, hughen, macewan, macewen, mceuen, mcewen, mckeown, dewan, ewan, ewen, frewen, hughen, leeuwen, lewan, luane, macewan, macewen, mccuan, mccuin, mceuen, mcewen, mckeown, mcluhan, ruin, vanleeuwen, wuhan
Euan sounds like:
eamon, ehman, ehmann, ehmen, ein, einon, em, ema, emina, emma, emme, emmi, emmie, emmy, emu, en, ena, enea, enema, enemy, enman, ennea, ennen, ennui, eno, eon, ewan, ewen, eyman, eynon