you can say "r" which is not really a homonym, or you can say "our" which isn't pronounced EXACTLY the same, but is very, very close. for some reason i think there's another one, but my brain won't...
To, too, and two.
The following verse is supposed to contain a phonetic representation of "to" within the slashes. The box is supposed to be the letter u with an umlaut.
Oh that this too to English...