What's the difference between Qantas and the ATO? Roly Sussex will take you into the strange world of acronyms and initialisms.

Americanisms have had such an impact on our language that ABC's Roly Sussex has recorded over 10,000 of them.

Boo! From witches to wicca, Roly Sussex peeks behind the curtain of words like ghosts, spectres, Halloween and haunts.