Abarim Publications' online Biblical Greek Dictionary
μαλα
The adverb μαλα (mala) isn't used in the New Testament but occurs all over the classics as a strengthener or intensifier. It basically means "much" or "very" and in Greek is decidedly positive — contrary to its Latin cognate, which is decidedly negative (hence words like "malady" or "malign"). Our Greek adverb of intensity comes with a comparative and a superlative form. The superlative form, μαλιστα (malista), means "most of all". The comparative is μαλλον (mallon) means "more":
μαλλον
The adverb μαλλον (mallon) means "much more". As indicated above, it's the comparative form of the adverb μαλα (mala), meaning much or very. It is used 82 times in the New Testament; see full concordance.