Izar sits next to 4 phonetic neighbors — Ezra, Izar, and Itziar are the closest matches by sound. Most share Izar's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"star"
"the greatest, most excellent"
"dolphin"
"phonetic Cuban variant of Joel/Yoel"
"follower of the god of wine and festivity"
"name, word"
"asked of God"
"prosperous protector"
"God has created / God has purchased (from Elkanah)"
"lamb"
"God has given"
"flourishing, vigorous"
"wise protector"
"of noble birth"
"guardian deity"
"Innocent one"
"asked for, prayed for"
Similar sound: These names share phonetic patterns with Izar — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Basque (Euskara) origins, giving them the same cultural heritage as Izar.
Rhythm: Izar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.