1) Conclusion 2) Demonetisation 3) Ending 4) French word used in English 5) Termination 1) Demonetisation 
• (n.) The act of demonetizing, or the condition of being demonetized.
De·mon`e·ti·za'tion noun The act of demonetizing, or the condition of being demonetized. 
[n] - ending something (e.g. gold or silver) as no longer the legal tender of a country
demonetization 1. Ending something; such as, gold or silver, as no longer the legal, or monetary, tender of a country. 2. To divest; such as, a coin or currency, of any monetary value.
demonetisation noun ending something (e.g. gold or silver) as no longer the legal tender of a country