Saleh sits next to 4 phonetic neighbors — Salih, Saleha, and Sadie are the closest matches by sound. Most share Saleh's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"righteous, virtuous, pious"
"apple moon"
"variant of Reza/Riza, meaning pleasure of God"
"industrious"
"cosmic order, the world as a harmonious whole"
"faithful, loyal"
"elaboration of Etta (ruler of the home)"
"palatial, shrine-like"
"great, large"
"heavenly sun, sun of the sky"
"water of life"
"yawning emptiness, vast chasm"
"fair one, bright, handsome"
Similar sound: These names share phonetic patterns with Saleh — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Saleh.
Rhythm: Saleh is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.