Nirvana sits next to 4 phonetic neighbors — Nirvana, Nadia, and Nina are the closest matches by sound. Most share Nirvana's Sanskrit-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"blowing out, extinguishing (of suffering)"
"holy stone settlement"
"beautiful altar"
"gentle, bright day"
"from Brixton, the brick settlement"
"from Nimes, sturdy cloth"
"birthday of the Lord"
"princess, noble one"
"member of the Gauls tribe"
"pure, unblemished"
"beautiful to behold"
"beautiful"
"God's gift"
"divine sky child"
"divine, godlike"
"of the wood"
"wished-for child (from Evelyn)"
"olive tree"
"fragrant vine, beloved"
"lake colony, pool settlement"
Similar sound: These names share phonetic patterns with Nirvana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Nirvana.
Rhythm: Nirvana is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.