Tiphaine sits next to 4 phonetic neighbors — Tiffany, Stephane, and Delphine are the closest matches by sound. Most share Tiphaine's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Epiphany"
"celestial, of the heavens"
"room, vaulted chamber"
"happy, fortunate, lucky"
"torch, bright light"
"creative variant of Donna"
"Creative blend of Keisha (life) and -ana (grace)"
"creative American compound name"
"lakeside beauty"
"Divine spirit or deity"
"Gift"
"modern coinage combining De- prefix and Shauna"
"from the fertile plain"
"creative American coinage, unique and powerful"
"Moon goddess; lunar deity"
Similar sound: These names share phonetic patterns with Tiphaine — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via French origins, giving them the same cultural heritage as Tiphaine.
Rhythm: Tiphaine is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.