* adjective-to-adverb: -ly (personal -> personally)
* noun-to-adjective: -al (recreation -> recreational)
* noun-to-verb: -fy (glory -> glorify)
* verb-to-adjective: -able (drink -> drinkable)
* verb-to-noun (abstract): -ance (deliver -> deliverance)
* verb-to-noun (agent): -er (write -> writer)

However, derivational affixes do not necessarily alter the lexical category;