Enid sits next to 3 phonetic neighbors — Ennis, Ethel, and Edith are the closest matches by sound. Most share Enid's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"purity, virtue (literary association)"
"hay meadow, hayfield clearing"
"heroine, one who defends"
"goddess"
"defender of the people"
"she who lives"
"bearer of good news"
"she who intoxicates, intoxicating one"
"follower of Christ"
"elm tree"
"high meadow or woodland clearing"
"graceful lily (lily plus grace compound)"
"fertile, productive"
"praise (folk association with Hallelujah)"
"luminous, shining"
"cherry tree or fruit"
"gracious rose, rose of grace"
"golden, of gold"
"modern invented blend of Taylor and -len suffix"
"box tree meadow"
"from the long ridge"
Similar sound: These names share phonetic patterns with Enid — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Enid.
Rhythm: Enid is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.