Brazos sits next to 5 phonetic neighbors — Cruz, Brayden, and Braze are the closest matches by sound. Most share Brazos's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"arms (of God)"
"rocky hill town"
"protector of people"
"faithful one"
"modern American invented name"
"ridge settlement"
"invented name, no inherent meaning"
"modern American name blending Cody and -den suffix"
"Little Juan; affectionate diminutive of Juan (John)"
"continuous improvement, change for the better"
"of Easter, of Passover"
"unique, rare; one of a kind"
"treetop, eloquent speaker"
"stone of Obsius"
"may God protect"
"good speech"
"ruling"
"lives near finches"
"enclosure, yard, garden"
"woodland clearing"
"from 'deaglán', possibly 'good man'"
Similar sound: These names share phonetic patterns with Brazos — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish brazos (plural of brazo) origins, giving them the same cultural heritage as Brazos.
Rhythm: Brazos is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.