romans à clef/ˌrohmonh a ʹklay/ noun

• trespass
• tress
• tressed
• tressure
• trestle
• trestle table
• trestletree
• trestlework
• trevally
• trews
• trey
• tri-
• triable
• triac
• triacetate
• triad
• triage
• trial
• trial and error
• trial balance
• trial balloon
• trial court
• trialist
• trial lawyer
• triallist