- backward compatible
- backward looking
- backward-looking
- backwardly
- backwardness
- backwardness'
- backwardnesses
- backwardnesses
- backwardness's
- backwards
- backwards
- backwards and forward
- backwards and forwards
- backwards-and-forwards
- backward(s) and forward(s)
- backwards compatible
- backward–looking
- backwash
- backwashed
- backwasher
- backwashers
- backwashes
- backwashing
- backwater
- back-water