These are not exactly homonyms or homophones but the sounds are very similar.
NOTE.–These words are not exactly alike in sound, and should be carefully distinguished.
as sist’ance, help; relief rab’bit, an animal.
as sist’ants, helpers. rab’bet, a term in carpentry.
de vis’er, an inventor.
di vi’sor, a term in Arithmetic. lin’e a ment, a feature.
lin’i ment, an ointment.
def’er ence, respect. prin’ci pal, chief
dif’fer ence, variation. prin’ci ple, rule of action.
in gen’u ous, open; free. li’ar, one who tells lies.
in gen’ious, having skill. lyre, a kind of harp.