* A discourse or conversation: This is the most common meaning. For example, "dialogue" means a conversation between two or more people, and "monologue" means a speech by one person.
* A written or spoken account: "Catalog" is a list of items, and "epilogue" is a concluding section added to a literary work.
* A study or treatise: "Astrology" is the study of the stars and their influence, and "biology" is the study of living organisms.
However, it's important to remember that the meaning of "-logue" can vary slightly depending on the specific word. Some words with "-logue" have unique meanings that don't fit neatly into any of the above categories. For example, "analogue" refers to something that is similar to something else.
Here are some common words that use the suffix "-logue":
* Dialogue: conversation between two or more people
* Monologue: a speech by one person
* Epilogue: a concluding section added to a literary work
* Catalogue: a list of items
* Analogue: something that is similar to something else
* Epilogue: a concluding part added to a literary work
* Prologue: an introductory part added to a literary work
* Syllogism: a form of logical argument
* Astrology: the study of the stars and their influence
* Biology: the study of living organisms
* Pathology: the study of diseases
Ultimately, the best way to understand the meaning of a word ending in "-logue" is to look it up in a dictionary.