Quantia sits next to 5 phonetic neighbors — Quantisha, Quanta, and Antia are the closest matches by sound. Most share Quantia's Latin/American-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of great abundance, how much (from Latin quantus)"
"Pearl of wisdom"
"creative variant of Donna"
"torch, bright light"
"Moon goddess; lunar deity"
"Creative blend of Keisha (life) and -ana (grace)"
"creative American compound name"
"lakeside beauty"
"device for capturing images"
Similar sound: These names share phonetic patterns with Quantia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin/American origins, giving them the same cultural heritage as Quantia.
Rhythm: Quantia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.