image vs bird-scarer

image and bird-scarer both are nouns.

Word	Noun	Adjective	Verb	Adverb
image	Yes	No	Yes	No
bird-scarer	Yes	No	No	No

As nouns, bird-scarer is a hyponym of image; that is, bird-scarer is a word with a more specific, narrower meaning than image:

image: a representation of a person (especially in the form of sculpture)
bird-scarer: an effigy in the shape of a man to frighten birds away from seeds

Other hyponyms of image include Guy, god, graven image, idol, scarecrow, scarer, straw man, strawman, wax figure, waxwork, close-up.

image (noun)	bird-scarer (noun)
a visual representation (of an object or scene or person or abstraction) produced on a surface	an effigy in the shape of a man to frighten birds away from seeds
a representation of a person (especially in the form of sculpture)
(Jungian psychology) a personal facade that one presents to the world
the general impression that something (a person or organization or product) presents to the public
an iconic mental representation
a standard or typical example
language used in a figurative or nonliteral sense
(mathematics) the set of values of the dependent variable for which a function is defined
someone who closely resembles a famous person (especially an actor)

image (verb)	bird-scarer (verb)
imagine; conceive of; see in one's mind
render visible, as by means of MRI