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"
"clay settlement, clay worker"
"arrow maker"
"record keeper"
"white hawk of battle"
"narrow strait"
"strong, healthy"
"deer lover, champion warrior"
"dark-complexioned"
"behold, a son"
"Lord, have mercy (liturgical)"
"born on Sunday"
"hollow (place)"
"defender of men"
"just, righteous"
"comforted by God"
"sun, throne"
"of Mars, warlike"
"the victorious, the conqueror"
"son of Owen"
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.