What's the term for a words that are spelled differently, have entirely different meanings, but which sound the same?

eg: led and lead

I think they're "homophones".

c'mon…

First hit.
http://www.google.co.uk/#hl=en&source=hp&q=words+that+sound+the+same&aq=f&aqi=g10&aql=&oq=&gs_rfai=&fp=1&cad=b

homonyms wrong :o)

Homophone.

http://en.wikipedia.org/wiki/Homophone

(According to that, if they're also spelled differently then they're heterographs.)

Too slow

might have been testing you clubber.

Thanks all