Rya sits next to 5 phonetic neighbors — Ria, Rya, and Rhea are the closest matches by sound. Most share Rya's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little stream, flowing water"
"dweller near the holly trees"
"gold"
"gift of Isis"
"vigilant in battle, watchful warrior"
"one who sails, seafarer"
"beam of light (modern association)"
"diamond in the sky, place of rest"
"boomerang, curved throwing stick"
"young ceremonial attendant, ritual helper"
"from the marshes"
"sea, ocean"
"graceful jaybird"
"bright, clear, famous"
"wished-for child"
"canopy of leafy boughs"
"freedom, liberty"
"weapon, mace-bearer"
"from India; the Indus River"
"bird (from Germanic Avila)"
"eternal ruler, ever mighty"
Similar sound: These names share phonetic patterns with Rya — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish/Portuguese origins, giving them the same cultural heritage as Rya.
Rhythm: Rya is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.