di·pep·tide 
(dī-pĕptīd′)
(dī-pĕptīd′)n.
A peptide that is composed of two amino acid molecules linked by a peptide bond.
- 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
- work in progress
- work into
- work like a charm