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"
"always powerful"
"Yahweh is God"
"gift of Yahweh"
"beloved, dear"
"Priceless; of inestimable worth"
"glorious battle"
"divine healer"
"one who carries Christ in heart"
"From the Hebrew 'Yitzhak'; the biblical patriarch Isaac was the son..."
"from Lucania"
"man from Laurentum"
"breath, vapor, impermanence"
"protector of men"
"may God give increase"
"steadfast, firm"
"victory of the people"
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.