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 :)
The homonym for scene is seen
Ball is a homonym for bawl.
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.