The crossword solution for the term 'Keats or Shelley' is 'ODIST', which is a five-letter word. An ODIST is a poet who writes odes, which are lyrical poems that express strong emotion. John Keats and Percy Bysshe Shelley were two of the most famous Romantic poets, and both wrote odes. Keats wrote 'Ode to a Nightingale' and 'Ode on a Grecian Urn', while Shelley wrote 'Ode to the West Wind' and 'Ode to Liberty'.