Tiffay sits next to 4 phonetic neighbors — Tiffany, Tiffani, and Tiffy are the closest matches by sound. Most share Tiffay's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"manifestation of God"
"young cow, heifer"
"bright, shining one"
"torch, shining light"
"beloved darling"
"diamond, precious stone"
"heavenly; divine voice"
"mother goddess, protector of children and fertility"
"Jasmine flower"
"little rose"
"little Teresa"
"God is just; my witness. A feminine form of the Hebrew name Adlai, ..."
"the one who waits, patient one"
"free woman, strong"
Similar sound: These names share phonetic patterns with Tiffay — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Latin origins, giving them the same cultural heritage as Tiffay.
Rhythm: Tiffay is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.