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"
"free one, from France"
"the beloved one"
"one of a kind; singular"
"river and pool, flowing water"
"creative American coinage"
"praised, he will be praised"
"of noble kind"
"dear, beloved"
"creative blend of Ja- prefix and Leah (weary)"
"Hospitable, guest-friend"
"stone worker, mason"
"thinking of men, mindful of men"
"Royal meadow clearing"
"hunter's meadow"
"the happy one"
"tempestuous, like a storm"
"God is my abundance"
"flask of kohl (cosmetic)"
"reddish-brown color, warmth"
"God is my salvation"
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.