coen- or coeno- (also (chiefly N American) cen- or ceno-) /sēn- or sēnō-/

Signifying common

• storm sail
• storm sails
• storm shutter
• storm shutters
• storm signal
• storm signals
• storm-stay
• storm-stayed
• storm-stays
• storm surge
• storm surges
• storm-tossed
• storm trooper
• storm troopers
• storm troops
• storm trysail
• storm trysails
• storm warning
• storm warnings
• storm window
• storm windows
• stormy
• stormy petrel
• stormy petrels
• stornelli