Kizi sits next to 4 phonetic neighbors — Kizzy, Kisi, and Izzy are the closest matches by sound. Most share Kizi's Swahili-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"blessing"
"summer"
"beautiful, handsome, good"
"creative compound name"
"noble valley"
"noble, of high birth"
"Modern African-American invented name; possibly related to Tanisha ..."
"favorite one (Swahili origin)"
"brave, manly, strong"
"anointed one"
"Blue; sapphire; sky-colored"
"strong and studious"
Similar sound: These names share phonetic patterns with Kizi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Swahili origins, giving them the same cultural heritage as Kizi.
Rhythm: Kizi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.