Sahasra sits next to 4 phonetic neighbors — Sahara, Saraswati, and Sasha are the closest matches by sound. Most share Sahasra's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"infinite, limitless abundance"
"wise, clever"
"divine vision, sight"
"blue, dark blue"
"another name for Goddess Lakshmi"
"one who rules, divine sovereign"
"with divine blessing"
"goddess Parvati, divine grace"
"essence of being"
"devotion, veneration"
"goddess, divine one"
"noble, elevated"
"of the dark one, of Kali"
"perpetual, divine"
"new, fresh, young"
Similar sound: These names share phonetic patterns with Sahasra — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Sahasra.
Rhythm: Sahasra is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.