contriver vs designer

contriver and designer both are nouns.

Word	Noun	Adjective	Verb	Adverb
contriver	Yes	No	No	No
designer	Yes	No	No	No

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

Other hyponyms of contriver include intriguer, maneuverer, manoeuvrer, plotter, schemer, strategian, strategist, tactician.

contriver (noun)	designer (noun)
a person who makes plans	someone who creates plans to be used in making something (such as buildings)
	someone who designs clothing
	a person who specializes in interior design
	a person who devises plots or intrigues
	someone who specializes in graphic design