Suffixes often change the part of speech of the original word, like turning verbs into nouns or adjectives. Adding '-ment' transforms the verb 'achieve' into the noun 'achievement'.
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Meaning Adjustment
Different suffixes modify the meaning of the base word in specific ways, revealing shades of meaning. 'Careful' becomes 'careless' with the suffix '-less', showing lack of care.
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Derivational Suffixes
Suffixes that form new words are called derivational, they can create completely different words. From 'beauty', add '-ful' to form 'beautiful', a different word with related meaning.