What is another word for additum?
Pronunciation: [ˈada͡ɪtəm] (IPA) 
Additum, a Latin word meaning "additional," can be substituted with a variety of synonyms. One could use words like supplement, addendum, appendix, or attachment to convey the same meaning. Other possible synonyms include accessory, complementary, extra, or bonus. In some contexts, the word "bonus" can be used to imply an unexpected addition or something given as a reward. Whereas, accessory and complementary may indicate something that complements or enhances the primary item or information. Whatever synonym is chosen, one must always ensure that the intended meaning is not lost and that the word fits well in the sentence or context in which it is being used.
