| alternatively(adverb, first, rather, willingly, sooner) |
| rather(adverb, sooner, instead, preferably, alternatively) |
| by turns(expression, idiom, adverb, regularity of recurrence periodicity, interchangeably) |
| in turn(expression, idiom, regularity of recurrence periodicity) |
| off and on(verb, expression, idiom, adverb, phrasal verb) |
| back and forth(expression, idiom, variably) |
| round and round(verb, expression, idiom, phrasal verb, regularity of recurrence periodicity) |
| every other day(expression, idiom, regularity of recurrence periodicity) |
| however |
| in lieu(expression, adverb, rather, instead, alternatively) |
| in place of(expression, idiom, adverb, rather, instead) |
| in preference(expression, adverb, rather, willingly, sooner) |
| in rotation(expression, idiom, regularity of recurrence periodicity) |
| off-and-on |
| on and off(verb, expression, adjective, idiom, adverb) |
| on second thought(expression, idiom, adverb, rather, instead) |
| preferably(adverb, rather, sooner, alternatively) |
| rotately |
| up and down(expression, idiom, variably) |
| alternate |