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)"
"golden field"
"fair one, bright hero"
"member of the Gauts tribe"
"in the beginning"
"meadow or woodland clearing"
"victory, triumph"
"solitary meadow"
"invented modern name with no historical etymology"
"ascent, going up"
"from the city of Verona, Italy"
"descendant of Gregor"
"faith, faithfulness"
"blue-green color"
"olive tree, peace"
"greatest, largest (diminutive of Maxine/Maximiliane)"
"spiritually elevated"
"each of the two (variant etymology)"
"from the west field"
"clerk, scribe, learned man"
"beauty, glory, splendor"
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.