Are epididymis and urethra same things or not?Please explain me.

Epididymis and Urethra are two different ducts. Epididymis is convoluted duct behind the testis, along which sperm passes to the vas deferens.
Theurethrais the tube that carries urine from the bladder to outside of the body. In males, it has the additionalfunctionof ejaculating semen. Juat look at the picture to know there location.