Eissa sits next to 3 phonetic neighbors — Isa, Essa, and Jesus are the closest matches by sound. Most share Eissa's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is salvation"
"boon companion, confidant"
"earth, land, world"
"the green one, evergreen"
"the divine creature of Islamic tradition"
"high nation, exalted people"
"light-footed, agile"
"light, radiance"
"treetop, eloquent speaker"
"excellence of religion, nobility of faith"
"victorious, one who is helped to victory"
"full moon, radiant"
"one who stands firm"
"related to live coals, glowing"
"man from Lucania"
"beauty, grace"
"beautiful, handsome"
"ease, affluence, prosperity"
"precious gem without equal"
Similar sound: These names share phonetic patterns with Eissa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Arabic origins, giving them the same cultural heritage as Eissa.
Rhythm: Eissa is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.