2 synonym groups for Attendance

examining the absences, analyzing the absences, scrutinizing the absences, inspecting the absences, probing the absences, studying the absences, reviewing the absences, exploring the absences, checking the absences, assessing the absences, evaluating the absences, looking into the absences, inquiring into the absences, delving into the absences, researching the absences, surveying the absences, auditing the absences, monitoring the absences, tracking the absences, observing the absences, verifying the absences, appraising the absences, diagnosing the absences, investigating the nonappearances, investigating the nonattendances, investigating the no-shows, investigating the absentees, investigating the non-presences [x]

nonattendance, nonappearance, lack, deficiency, nonexistence, unavailability, void, vacancy, emptiness, omission, default, nonpresence, hiatus, gap, lacuna, missing, absenteeism, truancy, nonparticipation, noninvolvement, seclusion, withdrawal, retreat, remoteness, distance, detachment, separation, isolation, alienation, estrangement, invisibility, disappearance, vanishing, departure, leave, furlough, sabbatical, break, respite, intermission, interval, pause, suspension, cessation, discontinuation, interruption, abeyance, quiescence [x]