photo vs pic

photo and pic both are nouns.

Word	Noun	Adjective	Verb	Adverb
photo	Yes	No	No	No
pic	Yes	No	No	No

As nouns, photo and pic are synonyms defined as:

photo and pic: a representation of a person or scene in the form of a print or transparent slide or in digital format

Other synonyms of photo include exposure, photograph, picture.

photo (noun)	pic (noun)
a representation of a person or scene in the form of a print or transparent slide or in digital format	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