ride·shar·ing 
(rīdshâr′ĭng)
(rīdshâr′ĭng)n.
The act or an instance of sharing motor vehicle transportation with another or others, especially among commuters.
- Stockholm syndrome
- stockily
- stockiness
- stockinet
- stockinette
- stocking
- stocking cap
- stockinged
- stocking mask
- stocking stuffer
- stock-in-trade
- stock in trade
- stockist
- stockjobber
- stockjobbing
- stockman
- stock market
- stock-market
- stock option
- stockowner
- stockownership
- stockpile
- stockpiler
- Stockport
- stockpot