Joyce sits next to 3 phonetic neighbors — Joy, Joss, and Joi are the closest matches by sound. Most share Joyce's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lord"
"counsel + lake"
"beloved, little Mary"
"clear, evident"
"noble, of noble birth"
"safe, unharmed"
"whole, universal (Emma) + lake/beautiful (lyn)"
"mountain region"
"short form of Emma or Emilia"
"child of the moon"
"gracious gift of God"
"ash tree meadow"
"sky, heavens"
"modern invented name blending Aaliyah and Malaysia sounds"
"grace and drop of the sea (Maria + Anna)"
"pearl of wisdom"
"musical harmony, pleasant sound"
"heavenly ocean, royal sea"
"beautiful rose"
"angelic, messenger of God"
Similar sound: These names share phonetic patterns with Joyce — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Breton via Old French origins, giving them the same cultural heritage as Joyce.
Rhythm: Joyce is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.