Eira sits next to 4 phonetic neighbors — Ira, Aira, and Keira are the closest matches by sound. Most share Eira's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"snow"
"lamb"
"god, divine spirit"
"farmstead near a church"
"illusion, magic, divine power"
"power, elevated"
"place of the royal family (modern cultural meaning)"
"foreign, other"
"wish, desire"
"torch, sun ray"
"from Amabel, dear one"
"lover of horses"
"grace and devotion to God (Anna + Elisa)"
"grace and beloved"
"yew wood, yew tree"
"descendant of Riagán"
"coal town, dark settlement"
"rocky hill, tower"
"grace, favor"
Similar sound: These names share phonetic patterns with Eira — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Eira.
Rhythm: Eira is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.