Sinai sits next to 5 phonetic neighbors — Sinead, Silas, and Simon are the closest matches by sound. Most share Sinai's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Mountain of divine revelation"
"goodness, virtue, benevolence"
"aunt"
"constant, steadfast"
"moonlit, luminous"
"God is the giver"
"flourishing, long-lived"
"lion"
"Gracious, charitable person"
"Gift of God"
"moisture that quenches thirst"
"companion, close friend"
"Gift, something precious"
"blessed, fortunate one"
"goodness of God"
"supplanter, held by the heel"
"strength, courage"
"from Nasa (place in Khurasan)"
"lively, blooming"
Similar sound: These names share phonetic patterns with Sinai — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Sinai.
Rhythm: Sinai is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.