Interversion

Interversion of the order between wife, concubine and slave girl was always to be feared, and appropriate provisions appeared in the T'ang code and its successors.

Source: wiktionary

Thanks to the conservatism of local toponymy, the first five rivers (Khvāstrā, Hvaspā, Fradathā, Khvarenahvaitī, Ushtavaitī) are safely identified as northeastern and northern tributaries of the lake, enumerated in anticlockwise order (merely with interversion of the last two).

Source: wiktionary

We find ourselves once more in the presence of the phenomenon shath, the interversion of personalities occurring in the course of mystical union. God concedes His part to the ecstatic soul which becomes His mouthpiece; the latter can do no other than speak in the first person, or rather it is God speaking, as it were, by his mouth.

Source: wiktionary

Reti's explanation that interversion is sometimes responsible for thematic unity, while without academic precedent, is based upon an acute perception of musical structure.

Source: wiktionary