Isabella sits next to 3 phonetic neighbors — Elizabeth, Arabella, and Annabella are the closest matches by sound. Most share Isabella's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is my oath"
"peace, fruitfulness"
"mine, beloved"
"strong, healthy, brave"
"willow tree"
"time of change"
"princess, noblewoman"
"new"
"great, noble (from botanist's surname)"
"born at dawn or daylight"
"may God increase"
"from the boar meadow"
"swift, noble"
"From the Roman family name Aemilius; variant of Emily and Amelia wi..."
"From the Hebrew 'Delilah'; the biblical Delilah was the lover of Sa..."
"drop of the sea, star of the sea"
"Jupiter's child, Jove"
"Variant of Helen from the Greek 'Helene'; widely used across Europe..."
"youthful, downy-bearded"
"vision of beauty"
Similar sound: These names share phonetic patterns with Isabella — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Isabella.
Rhythm: Isabella is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.