Odysseus sits next to 2 phonetic neighbors — Ulysses and Odessa are the closest matches by sound. Most share Odysseus's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wrathful, to cause pain"
"victory of the people (as short form of Nicholas)"
"potent, powerful"
"of the Cassius family"
"short nose"
"from the hollow farm"
"youth-producing"
"defender of men, protector of the people"
"broad ford, wide river crossing"
"healer"
"bringer of light, luminous"
"red, ruddy"
"young warrior"
"from Stockton"
"town in the forest (alternate etymology)"
"God is my judge"
"slender"
"horse keeper, stable master"
"place name: town in Pembrokeshire, Wales"
"fortunate, of good fortune"
Similar sound: These names share phonetic patterns with Odysseus — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Ancient Greek origins, giving them the same cultural heritage as Odysseus.
Rhythm: Odysseus is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.