Juan sits next to 3 phonetic neighbors — John, Jan, and Ivan are the closest matches by sound. Most share Juan's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift of God"
"divine messenger, heavenly being"
"renowned in battle"
"steadfast, firm"
"Yahweh saves; God is salvation"
"Saint James"
"warrior, strong man"
"From the Aramaic 'Toma', meaning twin; borne by the Apostle Thomas"
"people's triumph"
"From France"
"Saint James, pilgrimage patron"
"the Lord is my God"
"strong as a lion"
"crowned with laurel, symbol of victory"
"from Lucania"
"hero of God, man of God"
"supplanter"
"God is with us"
"always powerful"
"man, full-grown man"
Similar sound: These names share phonetic patterns with Juan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Juan.
Rhythm: Juan is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.