Feeble corn can be described in many different ways, each with their own unique connotations. Some synonyms for "feeble" that could be used to describe corn include weak, frail, fragile, anemic, infirm, and debilitated. Similarly, there are many synonyms for "corn" that could be used to add more variety to your writing. Some examples might include maize, grain, kernel, cob, or even simply "cornstalks". Each of these synonyms can help to add nuance and depth to your writing, painting a richer picture of the corn you are writing about and helping to convey a more vivid image to your readers.