Poetic device exemplified in Keats and Yeats?

• Good for food, for example, which a poet might use?

Wikipedia Word definitions in Wikipedia
An eye rhyme , also called a visual rhyme or a sight rhyme , is a rhyme in which two words are spelled similarly but pronounced differently. An example is the pair cough and bough ; although they look similar, and should rhyme based on the visual aspect, ...

WordNet Word definitions in WordNet
n. an imperfect rhyme (e.g., `love' and `move')

Wiktionary Word definitions in Wiktionary
n. Pairs of words (or syllables) that, because of their spelling, look as if they rhyme but, because of different pronunciation, do not