Air = noun, the atmosphere
Heir = noun, a person legally entitled to property or rank upon the death of another.
Ere = preposition and conjunction, (archaic) before (mainly used in poetry)
E'er = contraction for ever (mainly used in poetry)
also, depending on accent/dialect
Err = verb, to make a mistake
the homophone for heir is air
The homophone for heir is air.
The homophone of "heir" is "air."
air, ere, err
The homophone for "ear" is "hear."
The homophone for "heir" is "air."
air, ere, err
The homophone for "state of the air" is "weather," and for "which of two" is "witch of two."
Heir
The homophone for "a current of air" and "an order of money" is "draft."
draft&draught
A homophone for "hi" would be high like "That air craft is high in the sky."