FortWayneMusic.com

Back-formation is an euphemism for incorrect usage. A back formation is " the formation of what looks like a root word from an already existing word which might be - but is not - a derivative of the former."

Anderson wrote:It Has to be Done - Anderson
Why is it when we conversate

I believe the word is 'converse'.

They're playing bonnaroo this summer, too, along with Beck, Medeski Martin & Wood, Tom Petty, Sonic Youth, moe, Sonic Youth, Elvis Costello, Cypress Hill, Les Claypool, MAtisyahu, G Love & Special Sauce, Son Volt and a bunch of other bands.

http://bonnaroo.com/2006/