model vs representation

model and representation both are nouns.

Word	Noun	Adjective	Verb	Adverb
model	Yes	Yes	Yes	No
representation	Yes	No	No	No

As nouns, representation is a hypernym of model; that is, representation is a word with a broader meaning than model:

model: the act of representing something (usually on a smaller scale)
representation: an activity that stands as an equivalent of something or results in an equivalent

As nouns, representation is a hypernym of model; that is, representation is a word with a broader meaning than model:

model: representation of something (sometimes on a smaller scale)
representation: a creation that is a visual or tangible rendering of someone or something

As nouns, representation is a hypernym of model; that is, representation is a word with a broader meaning than model:

Other hypernyms of model include internal representation, mental representation.

model (noun)	representation (noun)
the act of representing something (usually on a smaller scale)	an activity that stands as an equivalent of something or results in an equivalent
representation of something (sometimes on a smaller scale)	the act of representing; standing in for someone or some group and speaking with authority in their behalf
a hypothetical description of a complex entity or process	a creation that is a visual or tangible rendering of someone or something
something to be imitated	the right of being represented by delegates who have a voice in some legislative body
a representative form or pattern	a presentation to the mind in the form of an idea or image
a type of product	a factual statement made by one party in order to induce another party to enter into a contract
a person who poses for a photographer or painter or sculptor	a performance of a play
someone worthy of imitation	a statement of facts and reasons made in appealing or protesting
a woman who wears clothes to display fashions	a body of legislators that serve in behalf of some constituency
	the state of serving as an official and authorized delegate or agent

model (adjective)	representation (adjective)
worthy of imitation

model (verb)	representation (verb)
form in clay, wax, etc
construct a model in the likeness of
plan or create according to a model or models
create a representation or simulation of
display (clothes) as a mannequin
assume a posture as for artistic purposes