latergram vs pic

latergram and pic both are nouns.

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

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

latergram: a photo to be posted to Instagram at a later date
pic: a representation of a person or scene in the form of a print or transparent slide or in digital format

Other hypernyms of latergram include exposure, photo, photograph, picture.

latergram (noun)	pic (noun)
a photo to be posted to Instagram at a later date	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