Neymar sits next to 3 phonetic neighbors — Omar, Lamar, and Tamar are the closest matches by sound. Most share Neymar's Brazilian Portuguese-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"modern coinage, origin uncertain"
"honey, sweet"
"wise protector"
"of noble birth"
"Romantically associated with the poet Lord Byron meaning noble and ..."
"melody, song (mythological)"
"light"
"gift of God"
"bean grower, of the bean family"
"god + famous"
"renowned counsel, wise advisor"
"patron of Naples"
"gift of God"
"garden, orchard of God"
"Saint James, contraction of Santo Jacobo"
"gift"
Similar sound: These names share phonetic patterns with Neymar — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Brazilian Portuguese origins, giving them the same cultural heritage as Neymar.
Rhythm: Neymar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.