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"
"son of Jack"
"son of the lion"
"keeper of the pantry"
"hollow (place)"
"lion of God"
"ruler of the army"
"glorious fighter"
"praised, thankful"
"chief, leader"
"sea-born, born of the sea"
"thankful, God has heard"
"rock, stone"
"land where rye grows"
"greatest, largest"
"father of many nations"
"house builder, craftsman"
"son of Jens (son of John)"
"strife, quarrel"
"son of Cole"
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.