Yes, bus is a Scrabble word!

Verb

1. Send or move around by bus

2. Ride in a bus

3. Remove used dishes from the table in restaurants

Noun

1. A vehicle carrying many passengers; used for public transport

2. The topology of a network whose components are connected by a busbar

3. An electrical conductor that makes a common connection between several circuits

4. A car that is old and unreliable