α. late Middle English swynes cars, late Middle English swynes carsse, late Middle English swynes karse, 1500s swines kerce, 1500s swynes cress, 1600s–1700s swines cress, 1800s– swine's cress.
β. late Middle English swyne karse, 1500s swine carse, 1500s–1600s 1800s 2000s– swine cress.