Osvaldo sits next to 4 phonetic neighbors — Osvaldo, Osvaldo, and Arnaldo are the closest matches by sound. Most share Osvaldo's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"divine power, God's power"
"made by God"
"God enlightens"
"illuminance unit"
"battle genius"
"famous spear"
"Yahweh is my God"
"friend, darling"
"God is my ornament"
"peace"
"bright pledge"
"bold bear"
"God is gracious"
"rock, stone"
"loved by God"
"victory of the people"
"light"
"bright, splendid"
"born of Ra, son of Ra"
"God is gracious"
Similar sound: These names share phonetic patterns with Osvaldo — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English/Germanic origins, giving them the same cultural heritage as Osvaldo.
Rhythm: Osvaldo is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.