Stru·ma 
(strmə)
(strmə) A river, about 415 km (260 mi) long, of western Bulgaria and northeast Greece flowing southward to an inlet of the Aegean Sea.
- concrete
- concretely
- concrete music
- concreteness
- concrete poetry
- concretion
- concretionary
- concretism
- concretist
- concretization
- concretize
- concubinage
- concubine
- concupiscence
- concupiscent
- concupiscible
- concur
- concurrence
- concurrency
- concurrent
- concurrently
- concurrent resolution
- concuss
- concussion
- concussive