Sunisa sits next to 4 phonetic neighbors — Sunita, Samira, and Anisa are the closest matches by sound. Most share Sunisa's Thai, from Sanskrit-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"good mind, beautiful mind"
"Myrtle tree; bride"
"fruit that cries (expels water)"
"palatial, shrine-like"
"help; divine support"
"calm hero, steady and composed"
"apple moon"
"yawning emptiness, vast chasm"
"fair one, bright, handsome"
"righteous, virtuous, pious"
"my father rejoices"
"elaboration of Etta (ruler of the home)"
"atmospheric mist or haze"
"Modern invented name with no traditional etymology"
"elm tree"
Similar sound: These names share phonetic patterns with Sunisa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Thai, from Sanskrit origins, giving them the same cultural heritage as Sunisa.
Rhythm: Sunisa is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.