Joy sits next to 4 phonetic neighbors — Joy, Joi, and Coy are the closest matches by sound. Most share Joy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"happiness, delight, rejoicing"
"gift of God"
"of the Julian family"
"salt worker, salt town"
"God beholds, foresight"
"sea ruler"
"time, death, transformation"
"marvel, object of wonder"
"beloved, exalted"
"aspen tree"
"Jerusalem (poetic)"
"who is like God?"
"fair, white, pure"
"halo of light around the moon"
"saw-toothed ridge"
"narrow strait, channel"
"noble kind, of noble birth"
"greatest"
"driftwood"
"reddish-brown earth color"
"oak tree clearing"
Similar sound: These names share phonetic patterns with Joy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French (joie) via Latin (gaudia) origins, giving them the same cultural heritage as Joy.
Rhythm: Joy is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.