Append
Part of speech: verb
Definition: To hang or attach to, as by a string, so that the thing is suspended; as, a seal appended to a record; the inscription was appended to the column. To add, as an accessory to the principal thing; to annex; as, notes appended to this chapter.
Supplement
Part of speech: noun
Definition: Something added, especially to make up for a deficiency.An extension to a document or publication that adds information, corrects errors or brings up to date.An additional section of a newspaper devoted to a specific subject.An angle that, when added to a given angle, makes 180; a supplementary angle.A vitamin, herbal extract, or chemical compound included with a diet to enhance muscular development.
Part of speech: verb
Definition: To provide or make a supplement to something.
Example sentence: During the early 1960s, I decided to supplement research support for quantitative economic studies at Pennsylvania by selling econometric forecasts to private and public sector buyers.