Notebooks rhymes with:
pocketbooks, textbooks, checkbooks, cookbook's, cookbooks, guidebooks, handbooks, jokebooks, matchbooks, overbooks, passbooks, pocketbooks, schoolbooks, scrapbooks, sketchbooks, storybooks, textbooks, waldenbooks, waldenbooks', yearbooks
Notebooks sounds like:
natives, netback, nethuva's, nitpick, nitpicky, nonnatives, notebook, notifies