Omar sits next to 3 phonetic neighbors — Omer, Amir, and Lamar are the closest matches by sound. Most share Omar's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"flourishing, long-lived"
"who is like God?"
"praised, thankful"
"victory of the people"
"head of hair"
"sovereign, owner"
"my God is Yahweh"
"foundation stone"
"gift of God; Yahweh has given"
"little"
"God's spear"
"crowned with laurel, symbol of victory"
"messenger of God"
"mountain of strength; exalted"
"best"
"God has consoled"
"modern creative variant of Zaire"
"of the bean growers (Fabii clan)"
"God will uplift"
"tiller of the soil, agriculturalist"
"strong, virile"
Similar sound: These names share phonetic patterns with Omar — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Omar.
Rhythm: Omar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.