Bogdan sits next to 3 phonetic neighbors — Bohdan, Brandon, and Brendan are the closest matches by sound. Most share Bogdan's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"given by God"
"short form of Bogoris (divine gift)"
"harmony, one"
"gift of God"
"from the flower"
"man of Armenia, Armenian"
"wealthy guardian, prosperous protector"
"he who follows at the heel"
"bone"
"small, humble"
"victory of the people"
"blissful, divinely favored"
"my God is Yahweh"
Similar sound: These names share phonetic patterns with Bogdan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Slavic origins, giving them the same cultural heritage as Bogdan.
Rhythm: Bogdan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.