Renton sits next to 5 phonetic neighbors — Renton, Benton, and Trenton are the closest matches by sound. Most share Renton's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"settlement on the River Ren"
"fair, upright"
"loved, beloved"
"God is gracious (via Scandinavian John-family)"
"defender of men"
"modern American invention with Latin roots"
"guardian of riches"
"descendant of Rian"
"fair warrior, fair hero"
"symbol of wisdom and knowledge"
"wood-dweller"
"noble, honorable"
"creative combination name"
"who is like God"
"new house of God"
"raven warrior"
"dark warrior"
"supplanter, held by the heel (via Jake/Jacob)"
"enclosed woodland"
"new house"
Similar sound: These names share phonetic patterns with Renton — 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 Renton.
Rhythm: Renton is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.