Noshin
No. Noshin is Persian in origin but is widely used in Muslim communities influenced by Persian language and culture.
Yes. The name is culturally common in many Muslim societies (Balochi, Urdu, Persian-speaking) and carries no religious prohibition.
Variants include Nausheen, Naushin and the Persian-script Nūshīn (نوشین); differences are due to transliteration.
Noshin-type words (as adjectives) appear in Persian poetry and prose; the personal name is attested in literary and civil records rather than in scripture.
Standard pronunciation is NOH-sheen (noːʃiːn). Regional accents may slightly vary vowel length and stress (e.g., Naushin).