Part of speech and Word class

Part of speech noun - One of the traditional categories of words intended to reflect their functions in a grammatical context.

Word class is a synonym for part of speech. In some cases you can use "Word class" instead a noun phrase "Part of speech".

Word class noun - One of the traditional categories of words intended to reflect their functions in a grammatical context.

Part of speech is a synonym for word class. You can use "Part of speech" instead a noun phrase "Word class".