quest (n.)
- adventure
- bay
- chase
- crusade
- dog
- dragnet
- expedition
- exploration
- follow-up
- following
- forage
- frisk
- hound
- hunt
- hunting
- inquest
- inquiry
- inquisition
- investigation
- look
- mission
- pilgrimage
- posse
- probe
- prosecution
- pursual
- pursuance
- pursuit
- ransacking
- research
- rummage
- search
- searching
- seek
- seeking
- shadowing
- stalk
- stalking
- tracking
- trailing
- wail
