Binu sits next to 4 phonetic neighbors — Bino, Binu, and Vinu are the closest matches by sound. Most share Binu's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"melodic South Indian given name"
"shield bearer, attendant to a knight"
"crow woodland clearing"
"ring-wearer, one who wears rings"
"Of the bird; one who soars freely. A rare name of Latin and Spanish..."
"clay town"
"clear, bright, famous"
"victorious, triumphant (from Sanskrit vijaya)"
"lord; ruler"
"smoky city"
"modern invented name, combining key + ori (melody)"
"descent; he who descended"
"small child, young one"
"man, human being"
Similar sound: These names share phonetic patterns with Binu — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Malayalam origins, giving them the same cultural heritage as Binu.
Rhythm: Binu is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.