Coila sits next to 4 phonetic neighbors — Kayla, Kyla, and Layla are the closest matches by sound. Most share Coila's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the narrow strait"
"diminutive term of endearment"
"fortunate warrior"
"remembrance"
"grace, favor (from Anna)"
"verdant, green"
"fortune, riches"
"modern variant of Majella"
Similar sound: These names share phonetic patterns with Coila — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Coila.
Rhythm: Coila is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.