Eight "word classes" or "parts of speech" are commonly distinguished in English: nouns, determiners, pronouns, verbs, adjectives, adverbs, prepositions, and conjunctions. Nouns form the largest word class, and verbs the second-largest. English nouns do not have grammatical gender.
This is a companion discussion topic for the original entry at http://grammarerror.com/tags/parts-of-speech