The best replacement for bookcase is bookshelf.

The best alternatives to bookcase are rated as following:
★★★★★  bookshelf
★★  cabinet
★★  room divider
★  display cabinet
★  expedit
★  bookcase
★  book case

Your alternative for bookcase is not listed? Suggest!
Speaking about bookcase, one probably shouldn't forget about drawers.

Other search terms related to bookcase and their ratings are:
★★★★★ drawers
★★★★ desk
★ file drawer
★ file drawers
You have in mind a companion for bookcase and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of bookcase in all years. Click on graph for more.
bookcase
bookshelf
cabinet