Nadiya sits next to 4 phonetic neighbors — Nadia, Nadya, and Nadezhda are the closest matches by sound. Most share Nadiya's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hope"
"vessel of safety"
"happy, joyful, content"
"achieving, attaining"
"sand evening, gauze"
"pure, unsullied"
"circle, cycle"
"hope"
"golden, made of gold"
"clear like pure water, undisturbed"
"grace, blessing, prosperity"
"wind, gentle breeze"
"champion, one who achieves"
"gift of God"
"precious soul, refined spirit"
"given life by Zeus"
"exalted; sublime"
"purity, beauty, grace"
Similar sound: These names share phonetic patterns with Nadiya — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Slavic Nadezhda origins, giving them the same cultural heritage as Nadiya.
Rhythm: Nadiya is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.