patience / patient’s / patients [ˈpeiʃən(t)s]
patience – n. – 1. the capacity to remain calm in a wide range of circumstances; 2. tolerant perseverance in waiting; not anxious
patient’s (patients’) – n. – possessive forms sing. and plural of patient – something belonging to one or ones being treated
patients – n. pl. – receiving or about to receive treatment, usually medical