alternate (n.)
- advocate
- agent
- alternative
- analogy
- attorney
- backup
- beating
- champion
- change
- changeling
- circle
- commute
- comparison
- complementary
- copy
- counterfeit
- cover
- cycle
- cyclic
- deputy
- dither
- double
- dummy
- equal
- equivalent
- ersatz
- even
- exchange
- exponent
- fake
- figurehead
- fill-in
- flounder
- ghost
- ghostwriter
- imitation
- interchange
- lieutenant
- locum
- makeshift
- metaphor
- metonymy
- mock
- other
- periodical
- personnel
- phony
- pinch
- pleader
- procurator
- proxy
- pulse
- pulsing
- re-up
- reciprocal
- relief
- repeat
- replacement
- replacing
- representative
- reserve
- reserves
- return
- rhythmic
- ringer
- rotary
- seasonal
- second
- secondary
- seesaw
- serial
- shift
- shuffle
- shuttle
- shuttlecock
- sign
- spare
- spell
- stagger
- stand-in
- steady
- stopgap
- sub
- substitute
- substitution
- succedaneum
- supplanter
- surrogate
- swap
- sway
- swing
- switch
- symbol
- synecdoche
- teeter
- teeter-totter
- temporary
- token
- totter
- trade
- transpose
- turn
- understudy
- utility
- variant
- vary
- vicar
- vice
- vice-regent
- vicegerent
- waver
- wheel
- wheeling
- wobble
- zigzag
alternate (v.)
- advocate
- bandy
- champion
- change
- circle
- commute
- compensate
- cooperate
- copy
- counterchange
- counterfeit
- cover
- cycle
- dither
- double
- dummy
- enlist
- equal
- equivocate
- even
- exchange
- fake
- flounder
- fluctuate
- ghost
- interchange
- intermit
- logroll
- mock
- oscillate
- other
- permute
- pinch
- pulsate
- pulse
- reappear
- reciprocate
- recur
- relieve
- repeat
- requite
- reserve
- respond
- retaliate
- return
- revolve
- rotate
- second
- seesaw
- shift
- shuffle
- shuttle
- shuttlecock
- sign
- spare
- spell
- stagger
- steady
- sub
- substitute
- succeed
- swap
- sway
- swing
- switch
- teeter
- teeter-totter
- tergiversate
- token
- totter
- trade
- transpose
- turn
- understudy
- undulate
- vacillate
- vary
- vice
- waver
- wheel
- wigwag
- wobble
- zigzag
alternate (adj.)
- alternating
- alternative
- bandy
- champion
- change
- circling
- complementary
- corresponding
- counterfeit
- cover
- cyclic
- double
- dummy
- epochal
- equal
- equivalent
- ersatz
- even
- exchangeable
- fake
- imitation
- interchangeable
- intermittent
- isochronal
- isochronous
- makeshift
- measured
- mock
- oscillatory
- other
- periodic
- periodical
- personnel
- phony
- provisional
- reciprocal
- reciprocative
- recurrent
- recurring
- representative
- rhythmic
- rotary
- seasonal
- second
- secondary
- serial
- shift
- sign
- spare
- steady
- substitute
- successive
- surrogate
- temporary
- tentative
- token
- turn
- undulant
- undulate
- undulatory
- utility
- variant
- vary
- vicarious
- vice
- wavelike
- wheel
- wheeling
- zigzag
