Leonel sits next to 5 phonetic neighbors — Lionel, Leo, and Daniel are the closest matches by sound. Most share Leonel's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift of the Lord"
"Frenchman"
"created from red earth"
"to tame, to subdue"
"famous warrior"
"protector of men"
"God is with us"
"divine healer"
"the healer (Iason)"
"God will establish"
"army man, soldier"
"visitation, divine gift"
"glorious fighter"
"manly, brave"
"powerful, brave king"
"Frankish person"
"strong man, warrior"
"light"
Similar sound: These names share phonetic patterns with Leonel — similar vowel sounds, consonant clusters, or rhythm.
Rhythm: Leonel is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.