The Apenines or Appennines

How do you spell Apenines? Or is it Apennines?

Many organic search engine tip gurus suggest online content managers mispell a range of some widely used keywords to benefit form typings erors.

Goggle instead or Google etc or Delicious Italy instead of Conde Nast Italy Traveller, or Traveler.

The one guaranteed to come out wrong(ly) every time is, in Italian, Appennini, the central mountains of the Italy peninsular, which have just been red flagged by the Type Pad spell checker.

Wikipedia spells it Apennines, while others spell it Apeninnes, the later 100% incorrect.

A travel journal published in 1835 in the New York Mirror is titled 'to the Apenines'.

So what's the correct version? The Oxford English Dictionary says 'Apennines' but it also says Piedmont.

We like and use Appennines after the Italian original, right or wrong.