Bellatrix sits next to 3 phonetic neighbors — Beatrix, Bella, and Beatrice are the closest matches by sound. Most share Bellatrix's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"female warrior, conqueress"
"from the city of Venice; the Veneti people"
"Geirr's island (Old Norse place name)"
"variant of Kaylee (pure)"
"hero, champion"
"oneness, harmony, togetherness"
"hare meadow"
"cheerful, merry, joyful"
"the shining one, moonlight"
"great, venerable"
"May + Lee blend, spring meadow"
"pure, holy, chaste"
"born in May, spring-like"
"wild cow"
"cushion"
"elegance, goodwill"
"the hazel tree"
"spring + water"
"gentle horse"
"flat-topped hill"
Similar sound: These names share phonetic patterns with Bellatrix — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Bellatrix.
Rhythm: Bellatrix is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.