Oral communication Public speaking 18 Social aspects 18 Written communication 18 History 17 Language 13 Conversation 10 Business communication 9 Children 9 Communication 9 Family members 9 Discourse analysis 8 English language 8 Language and languages 8 Philosophy 8 Speech acts (Linguistics) 8 History and criticism 7 Study and teaching 7 Interpersonal communication 6 Literacy 6 Religious aspects 6 Rhetoric 6 Conversation analysis 5 Hate speech 5 Language and culture 5 Research 5 Social interaction 5 Christianity 4 Civilization 4 Communication in management 4