silent movie vs pic

silent movie and pic both are nouns.

Word	Noun	Adjective	Verb	Adverb
silent movie	Yes	No	No	No
pic	Yes	No	No	No

As nouns, pic is a hypernym of silent movie; that is, pic is a word with a broader meaning than silent movie:

silent movie: a movie without a soundtrack
pic: a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement

silent movie (noun)	pic (noun)
a movie without a soundtrack	a representation of a person or scene in the form of a print or transparent slide or in digital format
	a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement