Betty sits next to 4 phonetic neighbors — Betsy, Beth, and Bette are the closest matches by sound. Most share Betty's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is my oath"
"luminous glow, energy field"
"the sky, cloud"
"gift of God"
"beloved, of the sea"
"lake (suffix)"
"agreement, concord, fitting together"
"rose, flower"
"sunlight, moon (alternate etymology)"
"meadow clearing"
"ocean, shell"
"dark-complexioned"
"royal fortress meadow"
"noble, of noble birth"
"hollow, cauldron"
"clear, evident"
"work, labor"
"free woman"
"cheerful, glad"
"ruler of the land"
"born on Christmas Day, birthday of the Lord"
Similar sound: These names share phonetic patterns with Betty — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Betty.
Rhythm: Betty is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.