Brently sits next to 5 phonetic neighbors — Brent, Bentley, and Bradley are the closest matches by sound. Most share Brently's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hill covered with broom, steep hill"
"son of Roger, famous spear"
"son of the sea"
"unique, one of a kind (modern interpretation)"
"son of James, supplanter"
"from Britain, Briton"
"God is gracious"
"firebrand (via Tyson)"
"Lord have mercy"
"corner, nook"
"mind, intellect, spirit"
"defender of men"
"swift as a deer"
"army, nobleman"
"those who are allied"
"To call to mind; to remember (from recordari)"
"modern blend of Jay and Gavin elements"
"descendant of Creadan"
"variant of Cassius"
"place of elms"
Similar sound: These names share phonetic patterns with Brently — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English/Celtic origins, giving them the same cultural heritage as Brently.
Rhythm: Brently is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.