Yes, because it sounds like altar, which has a completely different meaning.
A homophone for alter is altar.
The verb 'alter' (meaning to change) is a homophone of 'altar'.
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Altar .
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 homophone of farther is father.