through, threw
Yes.
No.
The answer is that there is no homophone for can, but can is a homonym.
it is the thing that passes throug the stomach
No
Your is a homophone of you're. In some dialects, yore is another homophone.
the homophone for stationery is stationary
The homophone is dense.
The homophone is cell.
stock homophone
what is the homophone of space
The homophone is style