Tasnim sits next to 5 phonetic neighbors — Jasmine, Yasmin, and Nasim are the closest matches by sound. Most share Tasnim's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fountain of paradise, heavenly spring"
"the first, the beginning, primordial"
"branch, tendril of a grapevine"
"victorious, triumphant"
"long-lived, one who lives long"
"without superior, unique"
"entertainer, companion in evening conversation"
"princess, noblewoman"
"sunrise, the east"
"my princess, noblewoman"
"moonlike beauty"
"flower, blossoming"
"desirable, beautiful, worthy of desire"
"door of paradise (Jannah)"
"close to God"
"abundant greenery"
"ruler, sovereign"
"beautiful, lovely"
"gazing, contemplating"
"sun"
Similar sound: These names share phonetic patterns with Tasnim — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic/Quranic origins, giving them the same cultural heritage as Tasnim.
Rhythm: Tasnim is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.