The term CAB ALTERNATIVE can be broken down into four crossword solutions: ZIN (3 letters), BUS (3 letters), UBER (4 letters), and PINOT (5 letters). ZIN is a ride-hailing service similar to Uber, but with a focus on safety and affordability. BUS is a public transportation system that is often used as an alternative to cabs. UBER is a ride-hailing service that has become increasingly popular in recent years. PINOT is a type of wine, which is not typically associated with cab alternatives.