Yes, because it sounds like altar, which has a completely different meaning.
Alter ; to change something. Altar ; a table to sacrifice an animal to God. Now usually referred to as the principal table holding the 'Cross' in the Christian faith.
The homophone for alter is "altar."
The verb 'alter' (meaning to change) is a homophone of 'altar'.
hdalttr
Altar .
alter
alter meaning change Did you alter this document with white out?
alter, altar
alter, altar
Alter
Alter - To change something. Altar - An elevated structure or place where religious rites are performed.
The answer is that there is no homophone for can, but can is a homonym.