Mir sits next to 4 phonetic neighbors — Meer, Myrrh, and Pierre are the closest matches by sound. Most share Mir's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"world, community"
"life (variant of Zoltan, life/ruler)"
"defender of the people"
"archer"
"victory of the people"
"bear (affectionate)"
"little Alexander"
"peaceful ruler"
"companion, horse"
"the divine creature of Islamic tradition"
"morning light, aurora"
Similar sound: These names share phonetic patterns with Mir — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Slavic origins, giving them the same cultural heritage as Mir.
Rhythm: Mir is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.