Jacai sits next to 5 phonetic neighbors — Jacai, Jakai, and Jacey are the closest matches by sound. Most share Jacai's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"supplanter, held by the heel"
"modern coinage, possibly 'thankful lion'"
"high prominence, brow"
"northerner, man from the north"
"modern invented name"
"brother, friend"
"Son of Neil; champion lineage"
"Invented modern form"
"noble ruler"
"promised land, merchant"
"vigilant, watchful"
"strength of God"
"one who bakes bread"
"holy settlement"
"noble, honorable"
"gift of healing"
"descendant of the victorious one"
"royal and bold"
"pure one"
"wealthy protector"
Similar sound: These names share phonetic patterns with Jacai — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Jacai.
Rhythm: Jacai is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.