Profanity, n.
Etymology: [L. profanitas.]
1. The quality or state of being profane; profaneness; irreverence; esp., the use of profane language; blasphemy.
2. That which is profane; profane language or acts. The brisk interchange of profanity and folly. Buckminster.
Shades of meaning
Fernald has no entry of its own for profanity; he lists it under oath.
He lists it without comment; the entries above explain its neighbors.