Here's what rhymes with absenteeism.

Consider these alternatives

productivity / activity burnout / turnout desertion / person parasitism / given misdiagnosis / diagnosis attrition / position desertions / persons fatigue / seek disorganization / organization morale / shall overeating / meeting malnutrition / position chronic / economic promiscuity / continuity insubordination / education incidences / coincidences overtraining / training inflexibility / stability