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"
"little warrior, young Mars"
"city of God (alternate interpretation)"
"in him there is strength"
"God enlightens, he shines"
"lowlands"
"gift of God"
"God is with us"
"grace, swiftness (symbolic)"
"God has helped"
"God knows"
"son of the south"
"my power is God"
"possession, acquisition"
"God has remembered"
"peaceful, whole, complete"
"gift, present"
"exalted father (earlier form Abram)"
"one who brings relief from sorrow"
"oak tree"
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.