Wynonna sits next to 4 phonetic neighbors — Winona, Wynona, and Verona are the closest matches by sound. Most share Wynonna's Native American cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"firstborn daughter"
"earth worker (via Georgina)"
"beautiful meadow (speculative Celtic-influenced interpretation)"
"God is gracious"
"shining with glory"
"woman from Magdala"
"safe harbor, refuge"
"rival, eager"
"radiant counsel (via Germanic Ray + Lin)"
"mountain of strength"
"sparkling, clear gem"
"brave and powerful work"
"free woman, free person"
"gift of God (via Matilda)"
"of the sun, sunlit"
"modern invented nature name"
"rival, industrious"
"heavenly messengers"
"innocent"
"made of gold, golden"
"navigator, of the navy"
Similar sound: These names share phonetic patterns with Wynonna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Lakota Sioux origins, giving them the same cultural heritage as Wynonna.
Rhythm: Wynonna is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.