turkey, turnkey

Turkey or turkey means the large bird often eaten for Thanksgiving dinner--
We will be having turkey with cranberry sauce and pumpkin pie.
Grandpa usually carves the turkey.

Turkey also means a flop or failure, particularly in show business--
That show was really a turkey; no on liked it.

Turnkey or turnkey means ready to use or operate, as a business or commercial enterprise--
The business will be sold as a turnkey operation; production will continue as before.
This is a turnkey website; everything should be ready to use.

Turnkey once meant the person who had the keys to a prison--
They escaped by stealing the keys from the turnkey.

Now that you know that, you can say--
"The turkey farm will be sold as a turnkey business--just sign here and begin to run it."

Note--"Turkey" ( a proper noun, always capitalized ) is also the name of a country--
Part of Turkey is in Asia, and part of it is in Europe.