Beulah sits next to 4 phonetic neighbors — Leah, Beula, and Bella are the closest matches by sound. Most share Beulah's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"married, belonging to God"
"crimson, dark red"
"captivating, alluring, powerfully attractive"
"blue precious gemstone"
"torch, sunbeam"
"woman"
"jasmine flower"
"from the city of Kimberley (South Africa)"
"noble birth"
"beautiful, most beautiful"
"eagle"
"hares meadow, meadow where hares play"
"elevated one, woman of the tower"
"crooked nose"
"Ireland; from the island of Ireland"
"first, foremost"
"spring of water, fountain"
"halo, ring of divine light"
"valley"
"son of the right hand (via Benjamin)"
Similar sound: These names share phonetic patterns with Beulah — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Beulah.
Rhythm: Beulah is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.