SIMILAR SOUNDING INTXNS.

Narrative

THE CAPT AND I HAD MET FOR THE FIRST TIME THIS MORNING AND THIS WAS OUR SECOND LEG TOGETHER. BOTH OF US HAD BEEN ON VACATION FOR A FEW WKS PRIOR TO THIS TRIP. I WAS FLYING AND THE CAPT WAS ON RADIOS. I HEARD THE CTLR GIVE US 'CROSS JENEY AT 12000 FT.' I SET 12000 FT IN THE ALT WINDOW. I HAD THE FMS SET UP WITH THE RESTR OF JENEY AT 12000 FT AND 250 KTS. THE VNAV DSCNT SLOPE SHOWED HIGH BECAUSE I WAS FAST (WE WERE NOT SPD RESTR) AND I WAS USING VERT SPD FOR THE DSCNT. THE GREEN ARC SHOWED ME WELL SHORT OF JENEY FOR THE LEVEL OFF AT 12000 FT. THE CAPT SAID I NEEDED TO GET DOWN. I WAS A LITTLE MIFFED BECAUSE I WAS LOOKING GREAT FOR THE DSCNT. I MADE A TOKEN INCREASE IN DSCNT RATE BUT HE WASN'T SATISFIED AND COMMENTED AGAIN. I THEN HIT MAX VERT SPD AND PUT OUT THE SPD BRAKES. HE THEN TOLD ME; AS I WAS STARTING TO SHALLOW OUT THE DSCNT; THAT WE NEEDED TO GET DOWN MORE SO WE WOULDN'T GET A VIOLATION. I SAID WE WERE GIVEN 12000 FT AT JENEY. HE NOW INFORMED ME HE HAD HEARD THE CTLR GIVE US 12000 FT AT 'HENLY.' RATHER THAN ARGUE I MADE THE RESTR BY TAKING OVER MANUALLY AND LEVELING EXPEDITIOUSLY AT 12000 FT. THE CAPT THOUGHT WE MIGHT HAVE BUSTED THE RESTR GIVEN BECAUSE WE WERE AT 12400 FT AS THE FMS SAID WE PASSED OVER HENLY. THE CTLR GAVE US NEW INSTRUCTIONS AS WE LEVELED AT 12000 FT AND NEVER ONCE SEEMED DISTRESSED ABOUT OUR ALT NOR DID HE SAY WE HAD BEEN VIOLATED. I FELT THE CAPT MAY HAVE THOUGHT HE HEARD THE CTLR SAY HENLY WHEN THE CTLR ACTUALLY SAID JENEY. THE 2 NAMES ARE VERY SIMILAR SOUNDING AND SHOULD PROBABLY BE CHANGED TO PREVENT CONFUSION. BECAUSE WE WERE NOW IN THE LOW ALT ENVIRONMENT I DIDN'T ASK THE CAPT TO CLARIFY THE PREVIOUS CLRNC TO FIND OUT WHO WAS RIGHT AND WHO WAS WRONG. IT WOULD ONLY EXPLAIN WHAT THE CLRNC HAD BEEN AND WHO HAD HEARD THE CLRNC CORRECTLY. WE HAD TAKEN THE MOST CONSERVATIVE APCH TO THE SIT AND COMPLIED WITH THE MOST RESTR CLRNC.