Jafet sits next to 4 phonetic neighbors — Japhet, Japheth, and Jafeth are the closest matches by sound. Most share Jafet's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"open, wide"
"happy, blessed"
"wounded in the thigh"
"bringer of light, luminous"
"little warrior"
"short form of Isaac"
"prince, commander, ruler"
"branch, sprout"
"God saves, salvation (Hebrew Hoshea)"
"high, enlightened"
"well-born, of noble birth"
"God is with us"
"pilgrim to Rome"
"possibly from Basque or Persian place names"
"diminutive of Hans (John)"
"oracle, dark-complexioned"
"laughter of God"
"noble strength"
"son of excellence, son of distinction"
Similar sound: These names share phonetic patterns with Jafet — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Jafet.
Rhythm: Jafet is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.