A homophone for "groan" is "grown."
A homophone for "groan" is "grown."
The homophone for "grown" is "groan."
The homophone for "grew" is "groo."
groan
groan
The homophone for the word "groan" is "grown." They sound the same but have different meanings and spellings.
A homophone for "grown" is "groan" which is a low sound expressing pain or grief.
grown
groan
A homophone is two or more words that sound the same but mean different things. I don't think Groin has any of those.
The answer is that there is no homophone for can, but can is a homonym.