Nadya sits next to 4 phonetic neighbors — Nadia, Nadezhda, and Natya are the closest matches by sound. Most share Nadya's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hope"
"resurrection, rising up"
"to bestow, to send down as a gift from above"
"righteousness, piety"
"beautiful, flourishing"
"night (archaic)"
"defender of mankind"
"desert, wilderness"
"life, living"
"migration, flight (Islamic interpretation)"
"guardian, protector"
"equal, fair"
"forest, to teach"
"leader, chief"
"she who shall rise again"
"within reach, beloved"
"treetop, summit"
"contentment, satisfaction"
"pure"
"noble, respected, dignified"
"father's precious jewel"
Similar sound: These names share phonetic patterns with Nadya — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Slavic/Russian origins, giving them the same cultural heritage as Nadya.
Rhythm: Nadya is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.