Miasma; A vapour rising from marshes or decaying vegetables (or dead bodies??) infecting or poisoning the athmosphere.
Moratorium; a legal authorization, usually by a law passed in an emergency, to delay payment of money due, as in by a bank.
Microcosm: A miniature universe. Like the ecosystem in a pond. Or an animal cell?!?
Nettle: weeds or plants with stinging hair, so can be used in the context of something irritating
Munificent; generous...verry!
Nebulous: Cloudy , misty.
Neophyt; Beginner, Novice,amateur.