Jakk sits next to 4 phonetic neighbors — Jack, Jax, and Zack are the closest matches by sound. Most share Jakk's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"the greatest"
"God ruler; one who rules with divine authority"
"365 heavens (numerological)"
"born of fire"
"drawn from the water"
"dweller at the Roman camp"
"narrow channel, strait"
Similar sound: These names share phonetic patterns with Jakk — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via English origins, giving them the same cultural heritage as Jakk.
Rhythm: Jakk is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.