... but not 'to unknow' (Wiclif); 'to give', but not 'to ungive'. Or once more, with a curious variation from this, the negative survives, while the affirmative is gone; thus 'wieldy' (Chaucer) survives only in 'unwieldy'; 'couth' and 'couthly' (both in Spenser), only in 'uncouth' and 'uncouthly'; 'rule' (Foxe) only in 'unruly'; 'gainly' (Henry More) in 'ungainly'; these last two were both of them serviceable words, and have ... — English Past and Present • Richard Chenevix Trench