case vs compact

case and compact both are nouns.

Word	Noun	Adjective	Verb	Adverb
case	Yes	No	Yes	No
compact	Yes	Yes	Yes	No

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

case: a portable container for carrying several objects
compact: a small cosmetics case with a mirror; to be carried in a woman's purse

case (noun)	compact (noun)
a comprehensive term for any proceeding in a court of law whereby an individual seeks a legal remedy	a small cosmetics case with a mirror; to be carried in a woman's purse
a portable container for carrying several objects	a small and economical car
a glass container used to store and display items in a shop or museum or home	a signed written agreement between two or more parties (nations) to perform some action
bed linen consisting of a cover for a pillow
(printing) the receptacle in which a compositor has his type, which is divided into compartments for the different letters, spaces, or numbers
the housing or outer covering of something
the enclosing frame around a door or window opening
an enveloping structure or covering enclosing an animal or plant organ or part
the actual state of things
nouns or pronouns or adjectives (often marked by inflection) related in some way to other words in a sentence
a statement of facts and reasons used to support an argument
a problem requiring investigation
a specific size and style of type within a type family
an occurrence of something
a person who is subjected to experimental or other observational procedures; someone who is an object of investigation
a person requiring professional services
a person of a specified kind (usually with many eccentricities)
the quantity contained in a case
a special set of circumstances
a specific state of mind that is temporary

case (adjective)	compact (adjective)
	closely and firmly united or packed together
	briefly giving the gist of something
	having a short and solid form or stature

case (verb)	compact (verb)
enclose in, or as if in, a case	squeeze or press together
look over, usually with the intention to rob	compress into a wad
	make more compact by or as if by pressing
	have the property of being packable or of compacting easily