Euro sits next to 3 phonetic neighbors — Uro, Eur, and Euro are the closest matches by sound. Most share Euro's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wide, broad"
"Little saint; diminutive form of Santo"
"rock, stone"
"God is gracious"
"island of goats"
"work + power"
"place name turned given name"
"yarrow plant"
"of the mountain"
"tile or clay worker"
"new house, new home"
"listen, hear (Latin)"
"Long meadow or clearing in the woods"
Similar sound: These names share phonetic patterns with Euro — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Euro.
Rhythm: Euro is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.