Evonia sits next to 4 phonetic neighbors — Yvonne, Evonne, and Ivonia are the closest matches by sound. Most share Evonia's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"yew wood, yew tree"
"Famous warrior full of grace"
"coyote valley (Coast Miwok place name)"
"eagle"
"lame (from Latin claudus)"
"he will laugh, he will rejoice"
"from the beech tree estate"
"rules by the spear"
"noble and bright"
"spear ruler, noble one"
"gift of God"
"hero, man of courage"
Similar sound: These names share phonetic patterns with Evonia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic/Old French (iv) origins, giving them the same cultural heritage as Evonia.
Rhythm: Evonia is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.