Possible Clues:

• Like 17-, 26-, 40-, 51- and 64-Across, with respect to the numbers in their clues
• Pleasingly poetic
• Sounding similar
• It’s not exemplified by this puzzle’s long answers
• Type of dictionary that may be used by poets
• Somewhere in E. Sussex, we hear pottery treated and heated, for example
• Eg 'apples' for 'stairs'
• Like work of most poets, but not Keats and Yeats
• Being poetic
• Common-sounding element of poetry and slang?