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"
"tile or clay worker"
"rough stream"
"the rock"
"settlement of Barra's people"
"of the mountain"
"work + power"
"old friend, noble strength"
"Little saint; diminutive form of Santo"
"island of goats"
"new house, new home"
"God is gracious"
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.