Alexei sits next to 5 phonetic neighbors — Alexis, Aleksei, and Alexey are the closest matches by sound. Most share Alexei's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"defender, helper of mankind"
"manly, brave, virile"
"God-like, comparable to God"
"iron"
"flame, bright"
"destroyer of peace"
"people's triumph"
"white, silver (ancient root)"
"associated with Vladimir Lenin, revolutionary leader"
"who is like God"
"champion of the people"
Similar sound: These names share phonetic patterns with Alexei — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek 'alexein' origins, giving them the same cultural heritage as Alexei.
Rhythm: Alexei is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.