Osiel sits next to 4 phonetic neighbors — Oziel, Eziel, and Osiel are the closest matches by sound. Most share Osiel's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is my strength"
"gift, offering (via Jesse/Isai)"
"heart"
"may God protect (folk etymology from Santiago)"
"may God protect"
"God has helped"
"God has healed"
"land of purple dye"
"crimson, deep red"
"supreme judge, great counselor"
"sun"
"God has helped"
"strong, enduring"
"saint, holy one"
"worshipper of Yahweh"
"glory of the fatherland"
"manly, brave"
"dear one, uncle"
"evening, twilight, the pleasant time of day"
"follower of Christ"
"God will teach"
Similar sound: These names share phonetic patterns with Osiel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Osiel.
Rhythm: Osiel is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.