iodide vs silver iodide

iodide and silver iodide both are nouns.

Word	Noun	Adjective	Verb	Adverb
iodide	Yes	No	No	No
silver iodide	Yes	No	No	No

As nouns, silver iodide is a hyponym of iodide; that is, silver iodide is a word with a more specific, narrower meaning than iodide:

iodide: a salt or ester of hydriodic acid
silver iodide: an iodide that is used in photography, in seeding clouds to make rain, and in medicine

Other hyponyms of iodide include potassium iodide, hydrogen iodide, sodium iodide.

iodide (noun)	silver iodide (noun)
a salt or ester of hydriodic acid	an iodide that is used in photography, in seeding clouds to make rain, and in medicine