Jamar sits next to 5 phonetic neighbors — Jamal, Amar, and Lamar are the closest matches by sound. Most share Jamar's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"handsome, beautiful"
"of God, heavenly"
"king, ruler"
"from the Isle of Tiree, land of corn"
"from Airelle (a place in Normandy, France)"
"Jehovah supports"
"modern invented name, possibly dark one"
"deer people (from Devon)"
"modern invented name"
"he to whom it belongs, messianic title"
"Yahweh saves"
"little Hassan"
"of the sea, of the lake"
"selected, chosen one"
"of the sea (possible etymology)"
"baby bustard (young bird)"
"lord of the marches, borderlord"
Similar sound: These names share phonetic patterns with Jamar — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Jamar.
Rhythm: Jamar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.