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"
"modern invented name"
"bee"
"daughter of the sea"
"ash tree pool"
"God is gracious, God has shown favor"
"water nymph, spring"
"something precious and valuable"
"victorious"
"song of joy"
"divine, god-like"
"joy, song"
"night, dark beauty"
"defender of men"
"beloved, of the sea"
"gifted, beautifully unique"
"pearl"
"ram's horn, trumpet blast"
"scholar"
"hillside by the pool"
"birthday, born on Christmas"
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.