Islam sits next to 3 phonetic neighbors — Isham, Islom, and Salam are the closest matches by sound. Most share Islam's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"peace"
"blessing, permission"
"crisp air before dawn"
"one who has power and ability"
"strong, disciplined, powerful"
"piety, devoutness"
"man of peace, peaceful"
"blessing, virtue"
"he who knocks at the door, night knocker"
"beauty, grace"
"anger, wrath"
"friend of God, saint"
"famous ruler"
"brave as a lion"
"torch, source of light"
"victorious, triumphant"
"child, son"
Similar sound: These names share phonetic patterns with Islam — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Islam.
Rhythm: Islam is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.