Noun Suffixes: -TION, -MENT, -NESS, -ITY

Recognize suffixes that turn verbs and adjectives into nouns naming ideas.

Academic texts are full of abstract nouns, words for ideas and processes, and most are made with suffixes. -tion and -sion turn verbs into nouns: create becomes creation, decide becomes decision, explode becomes explosion. -ment does the same: move becomes movement, govern becomes government. -ness turns adjectives into nouns: kind becomes kindness, aware becomes awareness. -ity also turns adjectives into nouns: active becomes activity, curious becomes curiosity, equal becomes equality.

Spotting these helps in two ways. First, you can strip the suffix to find a familiar base: 'accumulation' becomes 'accumulate', to pile up. Second, you notice when an author turns an action into a thing, which often makes writing sound formal. Compare 'The town grew quickly' with 'The town's rapid growth surprised everyone'. The second makes growth the subject, a thing to talk about. Learning to unpack these nouns back into actions makes dense textbooks easier.

• 1-TION, -SION, and -MENT turn verbs into nouns.
• 2-NESS and -ITY turn adjectives into nouns.
• 3Strip the suffix to find a familiar base word.