Henna sits next to 3 phonetic neighbors — Hannah, Hana, and Henley are the closest matches by sound. Most share Henna's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"reddish-brown dye plant"
"gathering, festival"
"paradise, garden of heaven"
"pearl of wisdom"
"happy life, joyful existence"
"purposeful deed, spiritual practice"
"fruit of the tree"
"white antelope, gazelle"
"gentle, delicate"
"living, alive, thriving"
"unborn, eternal goddess"
"quartz crystal"
"safe, secure"
"hope"
"safe, protected"
"fair-haired"
"noble, honorable"
"just, righteous, fair"
"free from ailment, wholeness"
"devout female believer"
Similar sound: These names share phonetic patterns with Henna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Henna.
Rhythm: Henna is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.