Qantas rhymes with:
santas, apprentice, brountas, countess, lintas, momentous, pocahontas, portentous, proventus, santas
Qantas sounds like:
qintex, quantico, quantities, quicksands, quints
santas, apprentice, brountas, countess, lintas, momentous, pocahontas, portentous, proventus, santas
qintex, quantico, quantities, quicksands, quints