per·force 
(pər-fôrs)
(pər-fôrs)adv.
By necessity; by force of circumstance.
[Middle English par force, from Old French : par, by (from Latin per; see PER) + force, force; see FORCE.]
- preselect
- preselection
- presell
- presence
- presence of mind
- present
- present
- presentability
- presentable
- presentableness
- presentably
- present arms
- presentation
- presentational
- presentative
- present-day
- Present-day English
- presentee
- presenteeism
- presenter
- presentient
- presentiment
- presentimental
- presently
- presentment