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"
"Long meadow or clearing in the woods"
"listen, hear (Latin)"
"industrious ruler"
"people's ruler"
"settlement of Barra's people"
"island of goats"
"rock, stone"
"Little saint; diminutive form of Santo"
"rough stream"
"new house, new home"
"God is gracious"
"of the mountain"
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.