Beauregard sits next to 3 phonetic neighbors — Beaumont, Bellamy, and Beau are the closest matches by sound. Most share Beauregard's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"beautiful gaze"
"divine smith"
"truly brave, genuinely bold"
"born of yew tree"
"indivisible, uncuttable"
"dark, swarthy (from Irish Dubhán)"
"of the forest (via Silvanus root)"
"glorious protector (as diminutive of Branislav)"
"volcanic tuff (durable rock)"
"evergreen juniper tree"
"remedy, cure"
"powerful ruler, brave leader"
"God is gracious"
"one who lives by a spring"
"steep rock face by a crossing"
"head, chief (as in penultimate)"
"gift of God, Yahweh has bestowed"
"noble, handsome"
"church"
"knife, cutting blade of a plow"
"my God"
Similar sound: These names share phonetic patterns with Beauregard — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have French origins, giving them the same cultural heritage as Beauregard.
Rhythm: Beauregard is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.