What is another word for "roughness"?

Roget's Thesaurus (1911) lists these synonyms for "roughness": abrasion, accord, accordance, acerbity, acrid, acridity, acrimonious, acrimony, affriction, agreement, all, always, amaritude, and, anguilliform, anointment, arrosion, assimilate, attrite, attrition, austerity, band, beard, become, bitter, bitterness, capillament, capillary, capilliform, cilia, cilium, clockwork, conform, conformably, conformity, confrication, connatural, connaturality, connaturalness, consistency.