Here are some examples:
* Dictate: To speak or read aloud for someone to write down.
* Dictionary: A book containing a list of words and their meanings.
* Dictation: The act of speaking words for someone to write down.
* Contradiction: A statement that opposes another statement.
* Indicate: To point out or show.
* Predict: To say what will happen in the future.
The root "dico" can also be combined with other prefixes and suffixes to create new words. For example, "predict" combines "pre-" (meaning "before") with "dict" (meaning "to say").