Kenzai sits next to 3 phonetic neighbors — Kenzo, Kenzi, and Kai are the closest matches by sound. Most share Kenzai's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"strong, healthy"
"reborn, renewed"
"loyal servant, devotion"
"harmony, one"
"diminutive of Hugh (heart, mind)"
"modern variant combining Arabic root with contemporary spelling"
"valley dweller"
"son of Hans"
"ocean wave, moving water"
"creative modern coinage"
"derived from broccoli"
"homeland person"
"of royal lineage, kingly"
"harmonious regularity"
"son of the devotee of Saint Fillan"
"barberry tree hill"
"smith, metalworker"
"fort at Luguvalium"
"free spirit, nonconformist"
"ancestors relic, heir"
"from Old English gerefa (administrator)"
Similar sound: These names share phonetic patterns with Kenzai — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese (ken 健) origins, giving them the same cultural heritage as Kenzai.
Rhythm: Kenzai is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.