| come and go(expression, action, change, fluctuation) |
| fill in for(expression, action, change, fluctuation) |
| fluctuate(verb, action, change, fluctuation) |
| follow(verb, action, change, fluctuation) |
| follow in turn(expression, action, change, fluctuation) |
| interchange(verb, action, change, fluctuation) |
| intersperse(verb, action, change, fluctuation) |
| oscillate(verb, action, change, fluctuation) |
| relieve(verb, action, change, fluctuation) |
| rotate(verb, action, change, fluctuation) |
| seesaw(verb, action, change, fluctuation) |
| shilly-shally(verb, action, change, fluctuation) |
| substitute(verb, action, change, fluctuation) |
| sway(verb, action, change, fluctuation) |
| take turns(expression, action, change, fluctuation) |
| vacillate(verb, action, change, fluctuation) |
| waver(verb, action, change, fluctuation) |