Anshu sits next to 4 phonetic neighbors — Ansha, Ansa, and Indu are the closest matches by sound. Most share Anshu's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sunbeam, ray of light"
"my eye (term of endearment)"
"creative American construction from James-root names"
"little queen, noble one"
Similar sound: These names share phonetic patterns with Anshu — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Anshu.
Rhythm: Anshu is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.