Inisha sits next to 5 phonetic neighbors — Anisha, Nisha, and Inisha are the closest matches by sound. Most share Inisha's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"night, dark beauty"
"graceful, beautiful bird"
"God is gracious (from Juana/Juanita lineage)"
"prosperous, lively (creative blend of Aqua and Aisha)"
"Twin; one born with another"
"truthful one"
"torch, shining light"
"goodness, benevolence, charitable"
"birthday of the Lord, born at Christmas"
"most holy, very pure"
"American invented name; possibly related to Tamara (date palm) via ..."
Similar sound: These names share phonetic patterns with Inisha — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Inisha.
Rhythm: Inisha is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.