Sinai sits next to 4 phonetic neighbors — Sienna, Sinead, and Siena are the closest matches by sound. Most share Sinai's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the wilderness of thorns"
"Woman, feminine"
"to flow down, descend"
"exalted, ascending, noble"
"splendid, glorious"
"divine loving-kindness"
"ancient Armenian city"
"wish, desire"
"my father is God"
"wisdom, knowledge"
"divine timelessness, immortality"
"heavenly spring, fountain of paradise"
"she belongs to Neith"
"the kamani tree (sacred coastal tree)"
"authentic, genuine"
"clever, talented"
"youthful, belonging to Juno"
"princess, ruler"
"God is glory, YHWH is honor"
"spirit warrior"
"father's joy, source of joy"
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.