Ruston sits next to 5 phonetic neighbors — Reston, Dustin, and Rustin are the closest matches by sound. Most share Ruston's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"settlement near rye fields"
"imperial title, emperor"
"God has helped"
"indivisible, uncuttable"
"settlement near a tree stump"
"pure (via Katharina in Norwegian use)"
"who is like God"
"fruitful hill"
"variant of Caden (battle)"
"heavy club weapon"
"from Britain, a Briton"
"land of oaks"
"the color blue"
"thunder warrior, thunder bear"
"rejoice, hail, greetings"
"lordly, master (via Cyril)"
"double-J initial name, typically representing two J-names"
"payment, brow, forehead"
"wealthy guardian"
"from the hollow farm"
"battle, warrior chief"
Similar sound: These names share phonetic patterns with Ruston — 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 Ruston.
Rhythm: Ruston is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.