A homonym has the same sound and spelling, so a homonym for "captured" would look like "captured." However, there is only one meaning for "captured," so it has no homonyms.
A synonym, on the other hand, is a word with the same meaning but different spelling. Examples for "captured," could be, depending on the context:
taken
confined
arrested
seized
detained
taken over
annexed
secured
gotten
The homonym for feint is faint :)
Ball is a homonym for bawl.
The homonym for scene is seen
The homonym for wood is would as in will do.
The homonym for ale is "ail" meaning sick.
"Drenched" does not have a homonym.
Hour is a homonym for our.
"Sweet" is a homonym for "suite."
Was is a linking verb. It does not have a homonym.
"Senses" is a homonym for "census."
Homonym for grays is graze
The homonym for chord is cord.
The homonym for sauce is source :)
The homonym for vale is veil.
The homonym for "mourning" is "morning".
"Billed" is a homonym of "build."
The homonym of hymn is him.