Aleksandr sits next to 4 phonetic neighbors — Alexander, Aleksander, and Alexandr are the closest matches by sound. Most share Aleksandr's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"defender of men"
"strong man, warrior"
"who is like God (form of Michael)"
"defender of men"
"gift of God"
"youthful, downy-bearded"
"of Mars, dedicated to Mars"
"joy, laughter of God"
"lover of the earth"
"champion of the people"
"iron"
"connected to Damia, goddess of the harvest"
"gift"
Similar sound: These names share phonetic patterns with Aleksandr — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Aleksandr.
Rhythm: Aleksandr is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.