Irish comic Ed Byrne, Tasmanian stand up and art expert Hannah Gadsby, punmaster general Milton Jones and classics boffin Natalie Haynes vie for word supremacy.

Gyles Brandreth is in the chair.

The letter of the week is 'Z'.

The panellists must coin their own toponyms and they also have to guess which foreign words are edible.

There's a chance to add their own new word to the dictionary, before they delve into 'A Dictionary of Americanisms' from 1848.

Writers: Jon Hunter and James Kettle.

Producer: Claire Jones.

First broadcast on BBC Radio 4 in October 2014. Show less