Eidan sits next to 4 phonetic neighbors — Aidan, Ethan, and Idan are the closest matches by sound. Most share Eidan's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"everlasting, eternal"
"one who catches fish"
"lion, lion of God"
"Yahweh has helped"
"God contends, God perseveres"
"warrior lion"
"one who serves"
"son of the south"
"beautiful"
"my strength is Yahweh"
"exalted, high place"
"sky, ambiance"
"one who helps or aids"
"righteous, just"
"one who shines, illuminates"
"friend of Yahweh"
"God is gracious (related to Yohanan)"
"one who illuminates, enlightener"
"peace, peaceful"
"my rock is God"
Similar sound: These names share phonetic patterns with Eidan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Eidan.
Rhythm: Eidan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.