| A | B |
| probable | likely; likely to move in a positive direction |
| proceed | to move forward; to go; to follow through with an idea or plan |
| projectile | a forwar-moving object that was thrown for self-powered |
| prolong | to draw out; to make something moving forward last longer |
| promotion | a movement forward in a company; a movement up into a better position in a job |
| propel | to cause to move forward |
| prospect | the act of looking forward in anticipation of something to come |
| protest | to forward a complaint, objection, or display of unwillingness |