Bethzi sits next to 4 phonetic neighbors — Betsy, Bethany, and Bitsy are the closest matches by sound. Most share Bethzi's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"my God is an oath"
"intense happiness, bliss"
"victory, triumph"
"blue jay / waterfall"
"grace, favor"
"diverse, of mixed character"
"wonderful"
"friend, ally"
"God is gracious (via Johanna)"
"pure, clear"
"one who is exalted"
"heavenly lei, flowers of heaven"
"morning star (related Danica form)"
"grace, favor"
"the road, the passage"
"swift one (by association with a bird in flight)"
"dry, parched"
"doe, gazelle"
"dark, black-haired"
"rejoice"
"beloved, sweetheart"
Similar sound: These names share phonetic patterns with Bethzi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew Elisheba origins, giving them the same cultural heritage as Bethzi.
Rhythm: Bethzi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.