Language
Part of speech: noun
Definition: A form of communication using words either spoken or gestured with the hands and structured with grammar, often with a writing system. The ability to communicate using words. Nonverbal communication. A computer language. The vocabulary and usage used in a particular specialist field. The particular words used in speech or a passage of text. Profanity.
Example sentence: Of all of our inventions for mass communication, pictures still speak the most universally understood language.
Speech
Part of speech: noun
Definition: The faculty of speech; the ability to speak or to use vocalizations to communicate.A session of speaking; a long oral message given publicly usually by one person.
Example sentence: Eloquent speech is not from lip to ear, but rather from heart to heart.