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"
"man, mankind, human"
"mind, spirit, heart"
"victory of the people"
"God has given"
"God of the people"
"savior"
"Beauty, grace"
"ruler of the estate"
"crown, wreath"
"defender of the people"
"God's spear"
"imperial title, ruler"
"glorious fighter"
"God will increase, God will add"
"warrior, strong man"
"of Mars, warrior"
"of the Sergii clan"
"rich protector"
"Yahweh is God"
"born on Sunday"
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.