Novelty
Part of speech: noun
Definition: The state of being new or novel; newness. A new product; an innovation. A small mass-produced trinket. In novelty theory, newness, density of complexification, and dynamic change as opposed to static habituation.
Example sentence: The commercial flight thing, it just gets a little weird when you're standing in line and suddenly you're not just a guy standing in line anymore - you become sort of 'novelty boy.'
Freshness
Part of speech: noun
Definition: The state or quality of being fresh.
Example sentence: When you're a writer you no longer see things with the freshness of the normal person. There are always two figures that work inside you.