A homonym is a word that is spelled differently but sounds the same. So it could be "team."
The homonym of "drenched" is "drentched."
The answer is which, but you mean homophone, not homonym.
Hour is a homonym for our.
The homonym for 'census' is 'sense'.
Was is a linking verb. It does not have a homonym.
The homonym for 'suite' is 'sweet'.
The homonym for "vale" is "veil."
The homonym of sauce is "source".
A homonym for "grays" is "greys."
The homonym for chord is cord.
The homonym for "mourning" is "morning".