Bed linen and Electric blanket

Bed linen noun - Linen or cotton articles for a bed (as sheets and pillowcases).

Electric blanket and bed linen are semantically related In some cases you can use "Electric blanket" instead a noun phrase "Bed linen".

Electric blanket noun - A blanket containing and electric heating element that can be controlled to the desired temperature by a rheostat.

Bed linen and electric blanket are semantically related in covering for sleeping furniture topic. You can use "Bed linen" instead a noun phrase "Electric blanket".