(UK, finance) Initialism of National Savings and Investments. / (US, historical) Initialism of National Space Institute. / (Bangladesh) Initialism of National Security Intelligence.

(computing) Initialism of Network Store Interface Service (a Microsoft Windows service) / (computing) Initialism of Next Steps in Signaling (an Internet Engineering Task Force working group)

Alternative form of nshima

Alternative form of nsibidi

A system of apparently ideographic symbols indigenous to what is now southeastern Nigeria, found on excavated pottery etc.