flowerpot vs container

flowerpot and container both are nouns.

Word	Noun	Adjective	Verb	Adverb
flowerpot	Yes	No	No	No
container	Yes	No	No	No

As nouns, container is a hypernym of flowerpot; that is, container is a word with a broader meaning than flowerpot:

flowerpot: a container in which plants are cultivated
container: any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)

flowerpot (noun)	container (noun)
a container in which plants are cultivated	any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)