Definition of "Analogy" :

noun: drawing a comparison in order to show a similarity in some respect

"The operation of a computer presents and interesting analogy to the working of the brain."

noun: an inference that if things agree in some respects they probably agree in others

noun: the religious belief that between creature and creator no similarity can be found so great but that the dissimilarity is always greater; any analogy between God and humans will always be inadequate