air, ere, err
the homophone for heir is air
The homophone for "heir" is "air."
The homophone of "heir" is "air."
air, ere, err
The homophone for "before" is "be fore" where "fore" means situated or placed in front.
the homophone for heir is air
The homophone for "heir" is "air."
The homophone of "heir" is "air."
The homophone for heir is air.
air, ere, err
Heir - She is the heir to the throne.
Heir
ere, air, heir
heir, air, ere, err
The homophone for "before" is "be fore" where "fore" means situated or placed in front.
While I do not know the riddle, I'm guessing the homophone involved is air/heir.
The word "oxygen" itself doesn't have a homophone. If you consider "air" to be an equivalent to the word "oxygen," then homophones include ere, heir, and err.