The word you are looking for could be blades or reeds.
The homophone for "grasses" or "stalks" is "glasses" - it sounds the same as "grasses" and "stalks" when spoken aloud.
"Grasses-stalks" sounds like "graceful stalks."
reeds, reads
reeds, reads
"Grass stalks" could sound like "graft stocks."
The answer is that there is no homophone for can, but can is a homonym.
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.
The homophone is ail.
there is no homophone for length