Rich·ler 
(rĭchlər), Mordecai 1931-2001.
(rĭchlər), Mordecai 1931-2001. Canadian writer whose novels, based on his working-class Jewish background, include The Apprenticeship of Duddy Kravitz (1959) and Saint Urbain's Horseman (1971).
- oscillate
- oscillating circuit
- oscillating universe
- oscillation
- oscillational
- oscillator
- oscillatory
- oscillogram
- oscillograph
- oscillographic
- oscillographically
- oscillography
- oscillon
- oscilloscope
- oscilloscopic
- oscine
- oscitance
- oscitancy
- oscitant
- Osco-Umbrian
- oscula
- oscular
- osculate
- osculation
- osculatory