Janiel sits next to 4 phonetic neighbors — Daniel, Nathaniel, and Emmanuel are the closest matches by sound. Most share Janiel's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"God's beauty (Jah + beauty)"
"exalted, Roman"
"light, illumination"
"son of Jens (son of John)"
"clan name of early Arabian tribes"
"fur trapper, frontiersman"
"fair-haired one"
"world, famous"
"the Christ, savior figure"
"noble lineage (adal) and eager (funs)"
"enduring and given by God"
"from Nazareth"
"The Lord is my God"
"strong lord"
"son of Matthew"
"outlaw, pursued one"
"modern coinage; possibly day-bright valley dweller"
"free man"
"lucky, sacred number"
"gift, good-natured"
Similar sound: These names share phonetic patterns with Janiel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew (via Jan and -iel) origins, giving them the same cultural heritage as Janiel.
Rhythm: Janiel is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.