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.
Added Protection. The primary difference between registered mail and certified mail is how your items are treated once the postal service takes custody of them. Registered mail is designed to provide security rather than speed.ertified Mail. Certified mail is useful when you need verification that a letter was sent and that delivery was made or attempted. Complete the green PS Form 3800, attach the bar code to your item and pay the required fee. Request a postmark on the form that proves when you mailed the item.