Berna sits next to 5 phonetic neighbors — Berne, Berna, and Verna are the closest matches by sound. Most share Berna's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bold as a bear"
"warrior, brave man"
"from the Scottish place called Melvin"
"lives near a brook or stream"
"dark-skinned, Moorish"
"gift of God"
"free, javelin-thrower"
"Sweet and lovely as a peach; endearing and warm-spirited"
"from the walled camp, fortress city"
"summer"
"peaceful ruler"
Similar sound: These names share phonetic patterns with Berna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Berna.
Rhythm: Berna is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.