Compared are the shortened UK VHS by EV (BBFC 18) and the uncut German DVD by Retrofilm (not rated).

Missing footage: 53.5 seconds in 10 scenes.

Despite the BBFC 18, EV released a pretty harshly cut version of this slasher classic on VHS in the UK. Almost none of the violent scenes remained untouched. Later, an uncut DVD ws released by Optimum Home Entertainment.

8 Min
When the couple gets spat with a pitchfork, the end of the shot lacks some bloody details.
4 sec

8 Min
The movie title is different:
UK Version: Rosemary's Killer / German Version: Die Forke des Todes.
no difference

21 Min
Extended shot of Carl with the knife in his head while the killer keeps her quite.
4 sec

21 Min
Extended shot of Sherry in the shower. The following shot of Carl with the knife in his head is also missing.
9 sec

21 Min
Two more shortened shots of Carl with the knife in his head. The beginning of the following shot (Sherry in the shower) is missing as well.
7 sec

22 Min
Extended shot of the killer stabbing Sherry with the pitchfork.
5 sec

22 Min
Same here, including close-ups of the pitchfork in Sherry's body.
7 sec

47 Min
Extended shot of Lisa with the knife in her neck.
1.5 sec

47 Min
Another missing shot of her.
2 sec

47 Min
Lisa dies, the killer twists the knife in her neck over and over.
9 sec

51 Min
After a shot of Sally's blood-leaking legs, a shot of the knife standing out of her neck plus some blood splatter. The UK VHS only contains the first more harmless shot of the scene.
5 sec