Evan sits next to 3 phonetic neighbors — Evelyn, Aven, and Haven are the closest matches by sound. Most share Evan's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the Lord is gracious"
"ray of light, radiance"
"wealth, fortune"
"lily"
"blend of Vanessa and Penelope; weaver of nets"
"one who resists authority, defiant"
"gift of God"
"bright fame"
"of noble kind"
"from Calais"
"light, radiance"
"olive tree"
"graceful, unique"
"horn (from Cornelia)"
"bright, shining"
"modern American compound name"
"lace (fabric association)"
"running water, stream"
"torch, light"
"devoted to God, my God is an oath"
"petite and feminine (French diminutive)"
Similar sound: These names share phonetic patterns with Evan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Welsh origins, giving them the same cultural heritage as Evan.
Rhythm: Evan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.