ADJECTIVES superlative used incorrectly for the comparativeThe superlative was sometimes used (as it is still, but with recognized incorrectness) where only two objects are compared.
“Between two dogs which hath the deeper mouth,
Between two blades which bears the better temper,
Between two horses which doth bear him best,
Between two girls which has the merriest eye.
“Not to bestow my youngest daughter
Before I have a husband for the elder.
Here it seems used for variety to avoid the repetition of the comparative.
“Of two usuries, the merriest was put down, and the worser