The best replacement for picture window is bay window.

The best alternatives to picture window are rated as following:
★★★★★  bay window
★★★  porthole
★  bow window
  casement

Your alternative for picture window is not listed? Suggest!
Speaking about picture window, one probably shouldn't forget about casement.

Other search terms related to picture window and their ratings are:
★★★★★ casement
★★★★ double hung
You have in mind a companion for picture window and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of picture window in all years. Click on graph for more.
picture window
bay window
porthole