Mabel sits next to 4 phonetic neighbors — Maybel, Maple, and Mamie are the closest matches by sound. Most share Mabel's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lovable, dear"
"strength, builder"
"gentle strength"
"oarsman, rower"
"An English surname turned first name; popularized as a girl's name ..."
"goodness, mother"
"myrtle leaf"
"fidelity, friendship (symbolic)"
"From Latin 'gratia' meaning grace or favor; a virtue name widely us..."
"free-born, noble"
"alive, full of life"
"wide, broad"
"wise person, prophet"
"beautiful, graceful"
"bright, shining light"
"God is my Lord, God's grace"
"From the Latin 'stella' meaning star; popularized in the 16th centu..."
"breath, to breathe"
"boomerang"
Similar sound: These names share phonetic patterns with Mabel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Mabel.
Rhythm: Mabel is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.