Vanity sits next to 3 phonetic neighbors — Vanessa, Verity, and Vanya are the closest matches by sound. Most share Vanity's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"emptiness, futility"
"jasmine flower (creative variant)"
"my father rejoices, father's joy"
"champion, winner"
"from the alder grove"
"slender, narrow"
"heavenly, sky (lani element)"
"ray of light, dawn (implied by suffix)"
"power, work, vigor"
"lady of grace"
"watchful, alert"
"knowledge gained by inquiry"
"follower of Christ"
"place name: Channel Island or US state"
"Not married to the prince; chaste"
"modern invented name; no fixed historical meaning"
"shining, luminous"
"of the race of women"
"ewe, grace"
"creative variant of Harmony or Imani"
Similar sound: These names share phonetic patterns with Vanity — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin vanitas origins, giving them the same cultural heritage as Vanity.
Rhythm: Vanity is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.