The answer is that there is no homophone for can, but can is a homonym.
The library book is overdue. Grandma spends weeks preparing for the holidays. She cooks, decorates and buys the kids about 10 gifts each. I appreciate the thought, but I wish she wouldn't overdo everything year after year.
The homophone for "hymn" is "him."
the homophone for stationery is stationary
Your is a homophone of you're. In some dialects, yore is another homophone.
The homophone for "to" is "too" or "two".
The homophone for "meant" is "mint".
A homophone for "taut" is "taught".
The homophone is dense.
The homophone for "ale" is "ail."
The homophone of "sell" is "cell."
Hour is a homophone for Our