sennight or se'nnight/ʹseniet/ noun

• smock
• smock frock
• smocking
• smog
• smoke
• smoke and mirrors
• smokehouse
• smokeless
• smokeless zone
• smoke out
• smoker
• smoke screen
• smokestack
• smoking gun
• smoking jacket
• smoko
• smoky
• smolder
• smolt
• smooch
• smoodge
• smooth
• smoothbore
• smoothen
• smooth hound