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.
A certified letter is one where the post office ensures that the letter is only delivered to the person it was addressed to, and records his signature. Anybody can send a certified letter to somebody, for a fee. Legal papers are usually sent in this manner. There should be a return address on the paper slip.