Sutton sits next to 4 phonetic neighbors — Hutton, Preston, and Peyton are the closest matches by sound. Most share Sutton's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"south farm"
"plain, flat area, field"
"Cyneburga's meadow"
"fairy maiden"
"open, treeless grassland"
"lily flower; pure"
"lion of God"
"fortress on the river (possible Celtic root)"
"from Milan; from the middle plain"
"beloved, much loved"
"from Saint-Denis"
"noble kind"
"God is gracious"
"king's meadow"
"from Hadria"
"born of Juno, goddess of marriage"
"free man, feminine form of Charles"
"defender of the people"
"divine wisdom"
Similar sound: These names share phonetic patterns with Sutton — 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 Sutton.
Rhythm: Sutton is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.