Banks sits next to 4 phonetic neighbors — Blanks, Hanks, and Franks are the closest matches by sound. Most share Banks's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"one who lives near a riverbank"
"raven hill"
"free, liberated"
"to rejoice, joyful"
"battle"
"wealthy companion"
"warrior's town"
"royal ruler"
"phonetic American invention"
"best"
"son of the lion"
"divine healer"
"victory of the people"
"appointed, placed by God"
"little red one (from red hair)"
"defender of men"
"rock, stone"
"sorrowful (folk etymology via French)"
"rejoice, healer"
"deep valley; hollow valley"
Similar sound: These names share phonetic patterns with Banks — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Banks.
Rhythm: Banks is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.