Mirabel sits next to 5 phonetic neighbors — Mirabelle, Miriam, and Isabel are the closest matches by sound. Most share Mirabel's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wonderful, marvelous"
"great mother, goddess"
"excellence, mastery (from Ace) + lake/waterfall (from Lynn)"
"ruler, leader"
"cypress tree"
"queen, powerful ruler"
"lord have mercy (liturgical phrase)"
"lily, rose"
"gracious gift, star of the sea"
"beautiful, graceful"
"divine perfection, completeness"
"river and pool, flowing water"
"son of Nicholas"
"noble, of royal bearing"
"coal town, dark settlement"
"whole, universal, striving"
"composed name, nature-inspired"
"chosen, selected, specially picked"
"wonderful, admirable"
"winding valley, crooked hill"
"port, harbor"
Similar sound: These names share phonetic patterns with Mirabel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Mirabel.
Rhythm: Mirabel is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.