i Register
In some senses, contrariwise is marked as literary. Watch for register when choosing this word.
adv
In the contrary or opposite way, order, or direction.
If Burd Ellen had gone “widishins" round the church, she would, I think, have used the best homoeopathic specific against the Elf-King's power; for "to go widishins" was the chief element in elfin practices, and if mortals wished to resist or unspell elf-craft, they, too, had "to go widershins," or they had to repeat the Paternoster backwards, which came to the same thing, or do something else contrariwise.
Rain patters on a sea that tilts and sighs. / Fast-running floors, collapsing into hollows, / Tower suddenly, spray-haired. Contrariwise, / A wave drops like a wall: another follows, / Wilting and scrambling
on the other hand