dichlorodiphenyltrichloroethane/dieˌklawrohdieˌfeenieltrieˌklawrohʹeethayn/ noun

• registry office
• Regius professor
• regnal
• regnant
• regress
• regression
• regressive
• regret
• regretfully
• regrettable
• regrettably
• regroup
• regt
• regular
• regularize
• regulate
• regulation
• reguli
• regulo
• regulus
• regurgitate
• rehab
• rehabilitate
• rehash
• rehearsal