Eiden sits next to 5 phonetic neighbors — Aiden, Eden, and Hayden are the closest matches by sound. Most share Eiden's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fire (from the sun god Aodh)"
"famous spear"
"abundant, bountiful"
"peace, submission to God"
"strength"
"flower (from Greek anthos)"
"praise"
"fifth"
"God's helper (ezer + El)"
"from Denmark, a Dane"
"shelter, shield"
"hollow, ravine"
"exalted father"
"manly, brave, strong"
"wayfarer, traveler"
"wholehearted (short for Caleb from Hebrew)"
"messenger (angelos)"
"great chief, eminent lord"
"son of Cole"
"courteous, well-bred"
"wagon maker, cart driver"
Similar sound: These names share phonetic patterns with Eiden — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Eiden.
Rhythm: Eiden is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.