Bryony sits next to 4 phonetic neighbors — Briony, Brianna, and Harmony are the closest matches by sound. Most share Bryony's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"to sprout, teem with life"
"eagle, soaring one"
"from the fair meadow"
"something uncommon, exceptional, or precious"
"ray of light"
"wings, flight"
"one who feels, senses deeply; invented feminine name with regal bea..."
"noble, nobility"
"strong, vigorous"
"father of multitudes, exalted father"
Similar sound: These names share phonetic patterns with Bryony — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek bryonia origins, giving them the same cultural heritage as Bryony.
Rhythm: Bryony is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.