coistrel or coistril /koisˈtril/

1. A groom (obsolete)
2. A knave (Shakespeare)

• sharp-looking
• sharply
• sharpness
• sharpnesses
• sharp-nosed
• sharp-pointed
• sharp practice
• sharp practices
• sharps
• sharp-set
• sharp-shod
• sharpshooter
• sharpshooters
• sharpshooting
• sharpshootings
• sharp-sighted
• sharp's the word
• sharp stick
• sharp-tailed grouse
• sharp-tongued
• sharp-toothed
• sharp-witted
• sharp-wittedly
• sharp-wittedness
• shash