- Army, navy and air ...
- Drive
- Exertion
- Intensity
- intensity of effect
- Physical power
- Police officers might
- An attempt
- Earnest activity
- Endeavour
- Energetic attempt
- Exertion
- Force exerted
- In UNICEF for the hard work
- air pressure
- Embarrassment
- Exert (oneself)
- Exert to the utmost
- Exertion
- Filter
- Lineage
- Hard labour
- Laborious toil
- Labour pains
- Pain of childbirth
- Painful exertion
- Trail outside Virginia is hard work
- Labor with pain; severe toil or exertion.