elucubration an obsolete form of lucubration

• switchier
• switchiest
• switching
• switchings
• switchman
• switchmen
• switch off
• switch on
• switch-over
• switch-overs
• switch-plant
• switch-plants
• switch selling
• switchy
• swith
• swither
• swithered
• swithering
• swithers
• swits
• switsed
• switses
• switsing
• Switzer
• swive