Mavis sits next to 4 phonetic neighbors — Maeve, Maude, and Mabel are the closest matches by sound. Most share Mavis's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"song thrush, songbird"
"God has answered"
"the largest, supreme"
"wonderful, admirable"
"lion of God"
"God beholds, foresight"
"fate, predetermined course"
"solitary meadow"
"purity, innocence"
"mighty in battle"
"Mary's gold, golden flower of Mary"
"bitter, beloved"
"bitter"
"to rule as monarch"
"good, fine"
"crowned one"
"princess, noblewoman"
"oak tree, gazelle"
"good luck, prosperity (symbolic)"
"happiness, good fortune"
Similar sound: These names share phonetic patterns with Mavis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French origins, giving them the same cultural heritage as Mavis.
Rhythm: Mavis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.