There seems to be a mistake in your request as "bacon spleen" does not seem to be a common phrase or word with synonyms. However, I can provide information about synonyms for the word "bacon". Bacon, a popular meat product made from pork, has several synonyms such as pork belly, pancetta, bacon bits, and back bacon. Each of these terms refers to different variations or cuts of bacon that can be used in a variety of culinary dishes. Bacon's distinctive flavor and crispy texture make it a beloved ingredient that adds a savory touch to many meals.