Keyisha sits next to 4 phonetic neighbors — Keisha, Keysha, and Lakeisha are the closest matches by sound. Most share Keyisha's Hebrew-origin cluster, so the rhythm and vowel shape carry across the list.
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"cassia tree, spice"
"Variant of Tiana; possibly from Tatiana (fairy queen) or a diminuti..."
"beloved, of the tower"
"clever, prosperous"
"tastelessly showy"
"Great tide or great wave of the sea"
"third, threefold"
"invented name with musical -qua suffix"
Similar sound: These names share phonetic patterns with Keyisha — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Keyisha.
Rhythm: Keyisha is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.