Theodoro sits next to 4 phonetic neighbors — Theodore, Teodoro, and Teodor are the closest matches by sound. Most share Theodoro's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift of God"
"from denarius, silver coin"
"ruler of the home, home ruler"
"greatest of the Aemilii"
"unique, one of a kind"
"guest, stranger"
"bright star in Aquila"
"youthful, downy-bearded"
"compound of Jose + Maria"
"sunset, west (where sun sets)"
"exile, sojourner"
"God with us, divine presence"
"blind one (folk etymology)"
"YHWH is God"
"messenger of the gods"
"immortal, undying"
"to twist or wrestle"
"God is gracious"
"may God protect"
Similar sound: These names share phonetic patterns with Theodoro — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Ancient Greek origins, giving them the same cultural heritage as Theodoro.
Rhythm: Theodoro is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.