A root word has no prefix or suffix â it's the most basic part of a word. The root word at the heart of conformity, for example, is form.. In linguistics, a root word holds the most basic meaning of any word. It's what's left after you remove all the affixes â the prefixes like un- or anti- and suffixes such as -able and -tion.. With a word like lovely, when you take away the suffix -ly, you're left with the root word love..
Certified Mail provides a record of mailing to the sender and a record of delivery at the Post Office of delivery for two years. Mail pieces requiring a postmarked sender's receipt must be mailed at a USPS office.
Certified Mail is only available for Priority Mail and First Class Mail letters mailed within the United States and its territories (including APOs and FPOs). Each piece of Certified Mail is assigned a unique label number which serves as an official record of mailing of the item by the Postal Service.