Mariposa sits next to 3 phonetic neighbors — Marisol, Marissa, and Paloma are the closest matches by sound. Most share Mariposa's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"butterfly"
"luminaries, lights (plural)"
"modern variant of Hazel"
"my God is an oath"
"victorious woman"
"grace + God is my oath (Anna + Lisa)"
"beautiful, graceful"
"walking with a proud gait (via Arabic Maisa)"
"from Nájera (a city in Spain)"
"lovely, beautiful"
"beloved, wished-for child"
"God is gracious"
"the other Aenor (uncertain)"
"supplanter, holder of the heel"
"salty, of the sea"
"God is gracious + beautiful"
"of noble birth"
"moon goddess"
"flat tropical grassland"
"lady, noblewoman"
Similar sound: These names share phonetic patterns with Mariposa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish origins, giving them the same cultural heritage as Mariposa.
Rhythm: Mariposa is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.