Cassia sits next to 5 phonetic neighbors — Cassie, Cassia, and Acacia are the closest matches by sound. Most share Cassia's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"cinnamon tree, spice plant"
"exalted, ascendant"
"pure"
"beautiful, yielding to prayer"
"exalted, ascending, noble"
"high, exalted, sublime"
"ruler, leader"
"Grace, favor"
"God will increase, God will add"
"beautiful, lovely"
"God is gracious"
"illusion, divine power"
"wished-for child (from Evelyn)"
"merry, joyful"
"the state of being divine or sacred"
"daisy flower"
"noble and kind"
"God is gracious"
"eternal flower, forever flowering"
"radiant, brilliant"
"I adore, I love"
Similar sound: These names share phonetic patterns with Cassia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin/Greek origins, giving them the same cultural heritage as Cassia.
Rhythm: Cassia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.