asperation means harshness; unpleasantness. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From Middle English asperacione, from Latin asperationem.
noun
- Harshness; unpleasantness.
- The act of asperating; a making or becoming rough.“The Welshe doe drown the true ſounde of manie letters and ſillables by a kinde of asperation, contrarie to moste Languages”