Icarus sits next to 5 phonetic neighbors — Marcus, Darius, and Lazarus are the closest matches by sound. Most share Icarus's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"uncertain — possibly related to the island of Ikaria"
"village near a winding path"
"firebrand, son of Tye"
"weaver"
"possibly variant of Jaron (Hebrew: singing, crying out)"
"possibly twin (via Tavish connection)"
"champion, cloud"
"futility, vanity"
"shelter or protection from light"
"maker of cauldrons and cookware"
"valley, dale"
"continuous improvement"
"invented warrior name, holy warrior"
"combination of brae (hillside) and -lon suffix"
"Dane's settlement"
"high, noble, exalted"
"God is gracious"
"thankful, God has heard"
"shield-wolf"
"one who does not follow the herd"
"military rank above captain"
Similar sound: These names share phonetic patterns with Icarus — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Icarus.
Rhythm: Icarus is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.