In general, then, ψυχή departs at syncope and the θυμός returns; μένος is not used at all. There are, therefore, no examples of complete semantic convergence between
Caswell establishes syncope as the defining distributional context that separates psyche from thumos and menos in Homeric usage, with psyche departing at the swoon and thumos returning upon recovery.
, A Study of Thumos in Early Greek Epic, 1990thesis