Kosha sits next to 4 phonetic neighbors — Kesha, Kasha, and Sasha are the closest matches by sound. Most share Kosha's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"worthy, proper, fit"
"noble, God is my oath (from Elise/Sherise roots)"
"great, mighty, large"
"here she is, present"
"people, nation; beautiful and beloved"
"peaceful (via Shanti/Sanskrit influence)"
"God will establish, raised by God"
"Child of many beauties; people child"
"desired, longed for"
"Reddish-brown color; cuttlefish ink; from Greek sepia meaning cuttl..."
"modern coinage"
"God is gracious (from Shawn)"
"ebony wood; deep black beauty"
"shadow; shade; American variant possibly related to Shada (pelican)"
Similar sound: These names share phonetic patterns with Kosha — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Kosha.
Rhythm: Kosha is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.