Ivanka sits next to 3 phonetic neighbors — Ivana, Yvanka, and Vanka are the closest matches by sound. Most share Ivanka's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"divine wisdom, holy knowledge"
"priceless, of inestimable worth"
"shining light, bright one"
"golden, made of gold"
"diminutive of Ivan/John"
"serene, tranquil one"
"bright, shining light"
"of the dawn, daybreak"
"one who will be reborn"
"Slavic elaboration of Helen"
"grace (via Hebrew Ana)"
"gracious one"
Similar sound: These names share phonetic patterns with Ivanka — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Slavic origins, giving them the same cultural heritage as Ivanka.
Rhythm: Ivanka is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.