retrogress (v.)
- advance
- ascend
- back
- backslide
- budge
- change
- circle
- climb
- cock
- degenerate
- descend
- deteriorate
- ebb
- flow
- follow
- go
- gyrate
- lapse
- mount
- move
- plunge
- progress
- recede
- recidivate
- regress
- relapse
- retroflex
- retrograde
- retrovert
- return
- reverse
- revert
- rise
- rotate
- run
- shift
- sicken
- sink
- slacken
- soar
- spin
- stir
- stream
- subside
- trail
- travel
- wane
- whirl
- worsen