As nouns the difference between peach and ratafia
is that peach
is a tree (species: Prunus persica), native to China and now widely cultivated throughout temperate regions, having pink flowers and edible fruit while ratafia
is a liqueur or cordial flavored with peach or cherry kernels, bitter almonds, or other fruits.
As an adjective peach
is (colour) Of the color peach.
As a verb peach
is to inform on someone; turn informer.