Izzy sits next to 4 phonetic neighbors — Izzie, Lizzie, and Missy are the closest matches by sound. Most share Izzy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is my oath"
"belonging to God, divine grace"
"God is gracious"
"heavenly, divine"
"tender, gentle (Arabic Lina)"
"strength of God"
"heavenly May flowers"
"free woman"
"of the sea; bitter; pearl"
"creative blend of Ja- prefix and Leah (weary)"
"from the River Slane"
"from Ávila"
"helper, assistant"
"eternally beautiful, ever-living"
"ancestor's descendant"
"diminutive endearment"
"infinite time, endless existence"
"jasmine flower"
"afflicted of God"
"Dorian woman; from Doris (ancient Greek region)"
Similar sound: These names share phonetic patterns with Izzy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Izzy.
Rhythm: Izzy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.