Yulia sits next to 3 phonetic neighbors — Julia, Giulia, and Yuliya are the closest matches by sound. Most share Yulia's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"youthful, downy-bearded"
"pure, unsullied"
"bright, shining light"
"little Mikhail, little Michael"
"peaceful, complete"
"adornment, beauty (Arabic Zayna connection)"
"pure"
"fairy queen (folk etymology)"
"flower, blossom"
"voice, divine call"
"radiance, brightness"
"one who is reborn"
"little mouse"
"princess, radiance"
Similar sound: These names share phonetic patterns with Yulia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Yulia.
Rhythm: Yulia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.