Joaquin sits next to 4 phonetic neighbors — Wakeen, Quinn, and Joaquina are the closest matches by sound. Most share Joaquin's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God will establish, raised by God"
"divine, of Dionysus"
"Child of many beauties; people child"
"who is like God (possible Hebrew variant)"
"noble, God is my oath (from Elise/Sherise roots)"
"Variant of Jenna/Jenny, ultimately from Hebrew Yohanan meaning God ..."
"people, nation; beautiful and beloved"
Similar sound: These names share phonetic patterns with Joaquin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Spanish origins, giving them the same cultural heritage as Joaquin.
Rhythm: Joaquin is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.