chromoplast vs plastid

chromoplast and plastid both are nouns.

Word	Noun	Adjective	Verb	Adverb
chromoplast	Yes	No	No	No
plastid	Yes	No	No	No

As nouns, plastid is a hypernym of chromoplast; that is, plastid is a word with a broader meaning than chromoplast:

chromoplast: plastid containing pigments other than chlorophyll usually yellow or orange carotenoids
plastid: any of various small particles in the cytoplasm of the cells of plants and some animals containing pigments or starch or oil or protein

chromoplast (noun)	plastid (noun)
plastid containing pigments other than chlorophyll usually yellow or orange carotenoids	any of various small particles in the cytoplasm of the cells of plants and some animals containing pigments or starch or oil or protein