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 usually sent together with regular mail and is cheaper. If a return receipt is requested, the sender will have to pay an additional amount. Certified mail is not insured and you have to pay an additional amount if you want to have it insured. It is usually used for business and government mail.