Ridhaan sits next to 4 phonetic neighbors — Ridhan, Ridan, and Riddhan are the closest matches by sound. Most share Ridhaan's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"one who seeks the right path"
"auspicious, benign one"
"infinite, endless"
"sacred grass (kusha grass)"
"unique, peerless"
"indestructible, immortal, undecaying"
"intelligent, bright-minded"
"one with a beautiful or slender body"
"white, bright, pure silver"
"he who is in a state of bliss"
"blessing, benefit"
"army, military force"
"part of divine action"
"one of noble character"
"logical connection, continuity"
"youthful, young man"
Similar sound: These names share phonetic patterns with Ridhaan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Ridhaan.
Rhythm: Ridhaan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.