Rot
Part of speech: verb
Definition: to decay or decompose; to become bad
Part of speech: noun
Definition: The process of becoming rotten; putrefaction. Any of several diseases in which breakdown of tissue occurs. Verbal nonsense.
Example sentence: However, if we examine the Canadian scene closely enough, we can see signs of this physical and spiritual rot settling into a number of our Canadian urban centres with a troubling spill-over into many of our more rural areas.
Decomposition
Part of speech: noun
Definition: A biological process through which organic material is reduced to e.g. compostThe act of taking something apart, e.g. for analysisIn mathematics, the splitting (of e.g. a matrix) into constituent parts