Kasai sits next to 4 phonetic neighbors — Kasai, Kasay, and Kasi are the closest matches by sound. Most share Kasai's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fire"
"grace, blessing"
"mighty, powerful"
"lily flower"
"the almighty (divine attribute)"
"born on Tuesday (Akan day name)"
"wholeness, peace"
"servant of the Most Merciful"
"warrior people"
"may God add (children, blessings)"
"helped by God"
"may He add"
"the commended one"
"lamplight, torch"
Similar sound: These names share phonetic patterns with Kasai — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese origins, giving them the same cultural heritage as Kasai.
Rhythm: Kasai is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.