night·time 
(nīttīm′)
(nīttīm′)n.
The time between sunset and sunrise.
adj.
Occurring in or appropriate for use during the night: nighttime activities; nighttime attire.
- republicanism
- republicanization
- republicanize
- Republican Party
- Republican River
- republication
- Republic of
- republish
- republisher
- repudiate
- repudiation
- repudiationist
- repudiative
- repudiator
- repugn
- repugnance
- repugnancy
- repugnant
- repugnantly
- repulse
- repulser
- repulsion
- repulsive
- repulsively
- repulsiveness