"Aloud" is a homonym of "allowed"
The homonym for "let" is "let." It is both a verb meaning to allow or permit, and a noun used in tennis to refer to a serve that hits the net and is allowed to be retaken.
The teacher allowed the students to speak aloud during the presentation. The library doesn't allow talking aloud.
The answer is which, but you mean homophone, not homonym.
The homonym of "drenched" is "drentched."
Hour is a homonym for our.
The homonym for 'suite' is 'sweet'.
The homonym for 'census' is 'sense'.
Was is a linking verb. It does not have a homonym.
The homonym for "mourning" is "morning".
A homonym for "grays" is "greys."
The homonym of sauce is "source".
The homonym for chord is cord.