Hardship
Part of speech: noun
Definition: (countable or uncountable) Difficulty or trouble; hard times.
Example sentence: Even cowards can endure hardship; only the brave can endure suspense.
Asperity
Part of speech: noun
Definition: Roughness as of stone or weather.Something that is harsh and hard to endure.Harshness, as of temper.A part of a geological fault line that does not move. Earthquakes begin and end at asperities.