Maribeth sits next to 4 phonetic neighbors — Mary Beth, Maribelle, and Marybeth are the closest matches by sound. Most share Maribeth's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"beloved, drop of the sea (Mary) + house of God (Beth)"
"meadow, clearing"
"The other Aenor (foreign)"
"God has promised, promised by God"
"she who intoxicates, great enchantress"
"jasmine flower"
"pure, beautiful"
"offering, sacrifice"
"pure"
"divine sky beauty"
"festival of roses"
"ancient, enduring (via Kiana/Cian)"
"Derived from McKenzie; son of the fair one"
"glory, fame"
"child of light"
"place name: Channel Island or US state"
"joy, song of happiness"
"descendant of Gregor"
"ugly head (literal Old Irish)"
"born of night, night beauty"
"princess, noblewoman"
Similar sound: These names share phonetic patterns with Maribeth — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Maribeth.
Rhythm: Maribeth is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.