Funny choice, considering the amount of litigation over that name. Unless you were serious.
When Apple started, they were sued by Apple Records, the Beatles' label, and settled with a pledge to never have any activity involving music distribution.
Come iPod, they turned around and sued Apple Records.
It's a good example, you can have recognisable trademarks be common words. The trademark is restricted to particular contexts, of course -- you cannot trademark 'apple' in general.
