home movie vs pic

home movie and pic both are nouns.

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

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

home movie: a film made at home by an amateur photographer
pic: a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement

home movie (noun)	pic (noun)
a film made at home by an amateur photographer	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