Quentin sits next to 3 phonetic neighbors — Quinton, Quinn, and Trenton are the closest matches by sound. Most share Quentin's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fifth, born fifth"
"glory of the land"
"holy, sacred place"
"chief desire"
"Lord (via Kyrie element)"
"descendant of the sea warrior"
"messenger"
"warrior, strong fighter (fan interpretation)"
"true, faithful"
"from the place Brodie in Moray, Scotland"
"great tide, son of the sea"
"from the rocks"
"brave warrior (later folk etymology)"
"faithful, loyal, trustworthy"
"from Amiens (France)"
"twin"
"fire (from the sun god Aodh)"
"increase, growth"
"one who catches fish"
"wagon maker, cart driver"
Similar sound: These names share phonetic patterns with Quentin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Quentin.
Rhythm: Quentin is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.