Avo sits next to 3 phonetic neighbors — Ava, Eva, and Ivo are the closest matches by sound. Most share Avo's Armenian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hope"
"breath, the living one"
"noble, exalted"
"lover of horses"
"pure"
"resolute protector"
"kola nut, sacred plant"
"God saves / Yahweh is salvation"
"excellent, outstanding"
"from Crete, the island"
"battle"
"blind"
"short form of Valerie or Valentina"
"of the sorrows (religious title)"
"armor, protective covering, shield"
Similar sound: These names share phonetic patterns with Avo — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Armenian origins, giving them the same cultural heritage as Avo.
Rhythm: Avo is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.