O'farrell rhymes with:
apparel, barrel, carol, carole, carrel, carrol, carroll, charyl, garrol, harral, harrel, harrill, jaryl, mccarrell, mccarroll, o'carroll, ocarroll, parrill
O'farrell sounds like:
o'berle, oberle, oberly, ofarrell, overall, overhaul, overlay, overley, overly, overrule