Communicate
Communicate verb - To cause (something) to pass from one to another.
Speak is a synonym for communicate in contact topic. In some cases you can use "Speak" instead a verb "Communicate", when it comes to topics like say, talk, make known.
Speak
Speak verb - Use language.
Usage example: the prisoner won't speak
Communicate is a synonym for speak in express topic. You can use "Communicate" instead a verb "Speak", if it concerns topics such as articulate, say, talk, make known.
Mutual synonyms
Common collocations
Both words in one sentence
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Because she doesn't have a head, she can't speak or communicate using facial expressions, but she can communicate well enough by typing things out on a cellphone or computer.
Source: Cute Mute - Unlike with previous examples, You Are Umasou has carnivorous and herbivorous dinosaurs both being able to speak and communicate with each other.
Source: Animal Talk -
The cop who tries to stop them doesn't speak or communicate, not even to shout "stop in the name of the law" or something - he only suddenly tackles one of them and drags him down to the ground without emitting more than grunts.
Source: Film / As Above, So Below
Cite this Source
Speak and Communicate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/communicate/speak
Communicate & Speak. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/communicate/speak>.
Speak or Communicate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/communicate/speak.
Google Ngram Viewer shows how "communicate" and "speak" have occurred on timeline