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"
"descendant of Grádaigh"
"son"
"broad clearing in the woods"
"son of the lion"
"pilgrim to Rome; from Rome"
"park, game preserve"
"battle"
"kingly"
"divine healer"
"my God is Yahweh"
"gentle, beloved"
"little dark one"
"royal ruler"
"battle (possible Irish Gaelic root)"
"greatest"
"of the Lord, belonging to God"
"Yahweh is merciful"
"son, born of"
"handsome; fair one"
"God of the people"
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.