Gadiel sits next to 4 phonetic neighbors — Gabriel, Daniel, and Raphael are the closest matches by sound. Most share Gadiel's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is my troop, God is my strength"
"my God is help"
"city of the moon"
"God is my judge"
"bold, mighty"
"may God protect (folk etymology from Santiago)"
"behold, a son"
"peace"
"name of God"
"exalted, lofty"
"noble eagle (adal + aro)"
"strong through God, divinely powerful"
"God contends, he struggles with God"
"possession, acquisition"
"permanent, steadfast"
"the Lord supports"
"one who supplants, heel-grabber"
"exalted father (earlier form Abram)"
"Yahweh saves"
Similar sound: These names share phonetic patterns with Gadiel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Gadiel.
Rhythm: Gadiel is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.