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Thus, the word do, consisting of a single morpheme, is a verb, as is the word redo, which consists of the prefix re-and the base root do. However, there are a few prefixes in English that are class-changing in that the word resulting after prefixation belongs to a lexical category that is different from the lexical category of the base.
The English language uses many Greek and Latin roots, stems, and prefixes. These roots are listed alphabetically on three pages: Greek and Latin roots from A to G; Greek and Latin roots from H to O; Greek and Latin roots from P to Z. Some of those used in medicine and medical technology are listed in the List of medical roots, suffixes and ...
The following is an alphabetical list of Greek and Latin roots, stems, and prefixes commonly used in the English language from A to G. See also the lists from H to O and from P to Z . Some of those used in medicine and medical technology are not listed here but instead in the entry for List of medical roots, suffixes and prefixes .
Adding a prefix to the beginning of an English word changes it to a different word. For example, when the prefix un-is added to the word happy, it creates the word unhappy. The word prefix is itself made up of the stem fix (meaning "attach", in this case), and the prefix pre-(meaning "before"), both of which are derived from Latin roots.
Words may be derived naturally from the language's roots or formed by coinage and construction. Additionally, comparisons are complicated because place names may be considered words, technical terms may be arbitrarily long, and the addition of suffixes and prefixes may extend the length of words to create grammatically correct but unused or ...
Root Meaning in English Origin language Etymology (root origin) English examples vac-empty: Latin: vacare: evacuate, vacancy, vacant, vacate, vacation, vacuous, vacuum vacc-
Root Meaning in English Origin language Etymology (root origin) English examples ob-, o-, oc-, of-, og-, op-, os-[1]against: Latin: ob: obduracy, obdurate, obduration ...
Root Meaning in English Origin language Etymology (root origin) English examples cac-, kak-[1]bad: Greek: κακός (kakós), κάκιστος (kákistos): cachexia ...