Nitesh sits next to 3 phonetic neighbors — Nitish, Mahesh, and Dinesh are the closest matches by sound. Most share Nitesh's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lord of the right path"
"gracious defender (if related to Desmond)"
"descendant of the champion"
"he who holds firm the good"
"to tame, subdue"
"ruler of the people"
"Leaseholder; tenant farmer"
"from the burial mound"
"work-power, home-ruler"
Similar sound: These names share phonetic patterns with Nitesh — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Nitesh.
Rhythm: Nitesh is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.