pen·tath·lon 
(pĕn-tăthlən, -lŏn′)
(pĕn-tăthlən, -lŏn′)n.
1. An athletic contest consisting of five track and field events, usually running races at two different distances, the long jump, and the discus and javelin throws.
2. See modern pentathlon.
[Greek pentāthlon : penta-, penta- + āthlon, contest.]
- inquisition
- inquisitional
- inquisitive
- inquisitively
- inquisitiveness
- inquisitor
- inquisitorial
- inquisitorially
- in re
- in reality
- in reason
- in recovery
- in reference to
- in regards to
- in regard to
- in relation to
- in rem
- in request
- in reserve
- in-residence
- in residence
- in respect of
- in respect to
- in retrospect
- in return