Shaila sits next to 4 phonetic neighbors — Sheila, Shyla, and Shayla are the closest matches by sound. Most share Shaila's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"mountain, rocky height"
"prayer, supplication"
"tender feeling, care"
"God's gift; long-lived"
"star"
"grace, divine favor"
"moon"
"eternal, everlasting"
"gift of God"
"arc, curve, arch"
"intimate, one who brings comfort"
"abundance, plenty"
"speech, expression"
"to please, gratitude"
"peaceful, secure"
"gift, present (related root)"
Similar sound: These names share phonetic patterns with Shaila — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Shaila.
Rhythm: Shaila is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.