Sylia sits next to 3 phonetic neighbors — Sylvia, Celia, and Cecilia are the closest matches by sound. Most share Sylia's Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Variant of Sylvia; from the forest; woodland"
"ruler of the people"
"rich; wealthy"
"darling, beloved one"
"summer"
"one who dreams, visionary"
"beloved (from Mary)"
"from Mount Cynthus"
"feminine of Sean/John"
"steadfast, faithful, constant"
"settlement on the hill"
"from Thera (island)"
"born on Tuesday"
Similar sound: These names share phonetic patterns with Sylia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Sylia.
Rhythm: Sylia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.