Brandal sits next to 4 phonetic neighbors — Brandon, Brand, and Randal are the closest matches by sound. Most share Brandal's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"shield wolf"
"from the flat plain (geographic Irish sense)"
"horn (strength)"
"hillside, slope"
"resolute protector (from Wilhelmina)"
"son of Zavier; new house, bright"
"lion man (from Leander)"
"of Terentius, from the earth"
"gentle, innocent one"
"noble, of noble kind"
"Visible, clear, bright; the island of light"
Similar sound: These names share phonetic patterns with Brandal — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Brandal.
Rhythm: Brandal is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.