4-letter words containing ca
- tcas — traffic collision avoidance system: a safety system in aircraft that is designed to prevent mid-air collisions
- ucas — Universities and Colleges Admissions Service
- ucca — Universities Central Council on Admissions
- voca — Voice Output Communication Aid
- waca — Western Australian Cricket Association
- wcaf — World Combat Arts Federation
- wfca — Wisconsin Football Coaches Association
- wzca — West Zone Cricket Academy
- ymca — The YMCA is a place where men can stay cheaply, which is run by the YMCA organization. YMCA is an abbreviation for 'Young Men's Christian Association'.
- yuca — cassava.
- ywca — The YWCA is a place where women can stay cheaply, which is run by the YWCA organization. YWCA is an abbreviation for 'Young Women's Christian Association'.