A homophone for "fir" is "fur."
The homophone for fur is fir.
fur
fur
fir
A homophone for "shed" is "shred," which sounds the same but has a different meaning.
There is no homophone for the word "tree." There are a number of types of trees that have homophones, including fir (fur), yew (ewe, you), and pear (pair, pare).
The word that sounds like "fur" but is spelled differently is "fir".
What tree knows how to dress warmly?
The answer is that there is no homophone for can, but can is a homonym.
The homophone for "farther" is "father." They are pronounced the same but have different meanings.
The homophone for "hymn" is "him."