Which word does NOT belong with the others? noun, preposition, punctuation, adverb

Given data

• Options: noun, preposition, punctuation, adverb.

Concept/Approach
Distinguish parts of speech from writing symbols.

Step-by-step reasoning
Noun, preposition, and adverb are parts of speech.Punctuation refers to marks such as commas and periods, not a part of speech.

Verification/Alternative
Grammar classification confirms that only punctuation is not a lexical category.

Common pitfalls

• Associating punctuation with grammar terms and overlooking the category difference.

Final Answer
punctuation