Laida sits next to 4 phonetic neighbors — Layla, Lydia, and Aida are the closest matches by sound. Most share Laida's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"light"
"maiden, young girl"
"gift of God (folk etymology)"
"calm, serene; of the valley"
"north"
"fairy queen"
"Free one; from France"
"charm, allurement"
"sweetly gentle"
"brooding, sullen"
Similar sound: These names share phonetic patterns with Laida — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Basque origins, giving them the same cultural heritage as Laida.
Rhythm: Laida is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.