I found this in a message board:
In German, “-er” means something or someone from. So Placenamer means something or someone from Placename. Pilsner malt is malt from Pilsn, or more accurately malt made in the style of the malt from Pilsn.
All of these can be synonymous:
All of these are synonyms:
But, if you are trying to re-create a specific recipe then pay attention to the grain specified in the recipe. The flavor profile is grains can differ based on where it’s grown and how it’s malted.