tri·ath·lete 
(trī-ăthlēt)
(trī-ăthlēt)n.
One who competes in a triathlon.
- workflow
- workfolk
- workfolks
- workforce
- work force
- work for hire
- work function
- work hardening
- workhorse
- workhouse
- work in
- working
- working capital
- working class
- working-class
- working control
- working day
- working dog
- working fluid
- working girl
- workingman
- working memory
- working papers
- working substance
- workingwoman