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What are prefixes, suffixes, and combining forms?
Prefixes and suffixes are both kinds of affixes. That is, they are word parts that attach to the beginning or end of a word or word base (a word stripped down to its simplest form) to produce a related word or an inflectional form of a word. Examples are in- in informal and both re- and -ing in reporting.
A third kind of affix is called an infix. Infixes are inserted into a word or word base. English uses very few infixes, but a couple examples are the plural-making s in words like cupsful and passersby, and various swear words, like damn in informal constructions like guaran-damn-tee.
A combining form is a form of a word that only appears as part of another word. There are a number of kinds of combining forms, each classified by what kind of word results when the form is used. For example, -wise in clockwise is an adverb combining form; -like in birdlike is an adjective combining form; -graph in photograph is a noun combining form; and -lyze in electrolyze is a verb combining form.
Combining forms are similar to affixes but can have a bit more lexical substance to them. Unlike affixes, combining forms are substantial enough to form a word simply by connecting to an affix, such as when the combining form cephal- joins with the suffix -ic to form cephalic. A combining form can also differ from an affix in its being derived from an independent word. For example, para- is a combining form in the word paratrooper because in that word it represents the word parachute. Para- is a prefix, however, in the words paranormal and paramedic. A combining form can also be distinguished historically from an affix by the fact that it is borrowed from another language in which it is descriptively a word or a combining form, such as the French mal giving English the mal- in malfunction.
Examples of suffix in a Sentence
Erik Kain, Forbes, 23 Oct. 2024
Ella can be a name suffix or a stand-alone name in the English language.
—Elisa Cinelli, Parents, 1 July 2024
Nowadays, trends are defined by many different names with similar suffixes.
—Andrew Van Dam, Washington Post, 21 June 2024
This is because this suffix is one way biochemists label and identify any sugar-laden foods.
—Daryl Austin, USA TODAY, 14 Mar. 2024
See all Example Sentences for suffix 
Dictionary Entries Near suffix
Cite this Entry
“Suffix.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/suffix. Accessed 18 Dec. 2024.
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