Brentley sits next to 4 phonetic neighbors — Brantley, Bentley, and Bradley are the closest matches by sound. Most share Brentley's Old English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the burnt clearing"
"pledge, oath"
"new house"
"son of the ridge dweller"
"boar-friend, warrior companion"
"my brother is high, noble"
"guiding spirit"
"little fire; battle-worthy"
"wolf's shield"
"dear, beloved"
"young wolf"
"my strength is Yahweh"
"from the steep place"
"nonconformist, free spirit"
"black, dark-haired"
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"descendant of Ceallach"
"God will heal"
"savior, one who saves"
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"a large inland body of water"
Similar sound: These names share phonetic patterns with Brentley — 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 Brentley.
Rhythm: Brentley is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.