case·work 
(kāswûrk′)
(kāswûrk′)n.
Social work devoted to the needs of individual clients or cases.
casework′er n.
- pickled
- pickleworm
- picklock
- pick-me-up
- pick nits
- pick off
- pickoff
- pick on
- pick (one's) way
- pick one's way
- pick out
- pick over
- pickpocket
- pickproof
- Pick's disease
- Pick's disease
- pick someone's brain
- pick (someone's)brain/brains
- pick (someone's) brain/brains
- pick someone's brains
- pick (someone) to pieces
- pick someone to pieces
- pick to pieces
- pick up
- pickup