English Suffixes: Spot Word Clues Fast
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A suffix is an affix placed at the end of a root word that alters its grammatical class, its meaning, or both. For example, adding -ness to the adjective quiet creates the noun quietness, while adding -ly produces the adverb quietly. Recognizing these endings reveals whether a word represents an object, a person, an action, a quality, or a manner of doing something.
The technician tested the equipment for durability before the launch.