| back | backing | backchat | backstab | backwards | backstabber |
| chat | chats | chatter | chatted | chatting | chatterbox |
| trap | trapper | trapped | trapping | trapdoor | mousetrap |
| stamp | stamps | stamped | stamping | stampede | stampedes |
| park | parks | parking | parked | parker | parkland |
| path | paths | pathway | footpath | psychopath | sympathetic |
| gang | gangs | ganged | ganging | gangster | gangplank |
