Brithany sits next to 4 phonetic neighbors — Brittany, Britney, and Bethany are the closest matches by sound. Most share Brithany's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from Brittany; land of the Britons"
"mighty in battle"
"industrious ruler"
"meadow (sley element from Old English leah)"
"light, illumination"
"red-haired, ruddy complexion"
"son of Roy, descendant of the king"
"star in Virgo constellation"
"gold, golden"
"hunter, rising in the sky"
"crooked nose, bent nose"
"alive, living (via Aisha)"
"sky, heaven"
"doorkeeper"
"she who lives"
"modern invented name with Scottish roots"
"ethereal fairy"
"gift (via Kyra/Kyros)"
"spring vegetation, fresh growth"
"companion, neighbor"
"well-born, noble"
Similar sound: These names share phonetic patterns with Brithany — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French / Celtic origins, giving them the same cultural heritage as Brithany.
Rhythm: Brithany is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.