Rheya sits next to 5 phonetic neighbors — Rhea, Rea, and Mia are the closest matches by sound. Most share Rheya's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"flowing, ease"
"the sky, the heavens"
"farmer, earth-worker"
"beloved sky"
"Yahweh is gracious"
"beautiful"
"white, bright"
"one who lisps, stutters"
"radiant one"
"heaven (spelled backward)"
"of noble kind"
"giving shelter; sky-born"
"successful, beloved"
"of the Saxons, knife bearer"
"to praise, glorify God"
"modern blend of Jai and lynn"
"rest, repose"
"brilliant and pure"
"ever powerful"
"priest's cottage"
"noble"
Similar sound: These names share phonetic patterns with Rheya — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Pre-Greek / Greek origins, giving them the same cultural heritage as Rheya.
Rhythm: Rheya is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.