While - wile

While and wile are two homophones in the mouths of most English people (see w - wh.)

• while is a conjunction, which mostly means 'during the time that', but can also be used to mean 'although'. While this page is interesting, you may also want to see while - whilst.
• There is also a phrasal verb 'while away', which means to pass time pleasantly: you can while away the hours reading in the garden.
• wile is a noun, meaning craftiness or cunning. The related adjective is 'wily'. Think of Road Runner's cartoon nemesis, Wile E. Coyote.