Brynna sits next to 4 phonetic neighbors — Brynn, Brenna, and Briana are the closest matches by sound. Most share Brynna's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hill, mound"
"from the round hill"
"gift of God"
"victory meadow"
"torch, shining light"
"Lord, have mercy (liturgical phrase)"
"fire, strength"
"port, harbor"
"queen, ruler"
"God is gracious"
"lily flower"
"curly-haired"
"invented name combining Rae + la ending"
"life, living"
"round-topped hill"
"short form of Victoria"
"from Kay and Lee combination"
"alive, living"
"desired, longed for"
"blessing, unmerited favor"
Similar sound: These names share phonetic patterns with Brynna — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Brynna.
Rhythm: Brynna is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.