Gamaliel sits next to 5 phonetic neighbors — Gabriel, Nathaniel, and Daniel are the closest matches by sound. Most share Gamaliel's biblical cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is my reward"
"God is my salvation"
"strength, honor"
"strong one of God"
"power of the people"
"short form of Walter"
"God is gracious, son of Jack"
"valley of the River Kent"
"destroyer of enemies, world peace"
"light of God (related to Uriel)"
"modern coinage; sky-inspired"
"of Mars, warlike"
"God is gracious, Yahweh is gracious"
"mild, gentle"
"rain, precipitation"
"bold, daring"
"lord of the marches, border lord"
"moonlight; of the moon"
"beloved"
"abundance, prosperity"
Similar sound: These names share phonetic patterns with Gamaliel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Gamaliel.
Rhythm: Gamaliel is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.