deep fryer vs frier

deep fryer and frier both are nouns.

Word	Noun	Adjective	Verb	Adverb
deep fryer	Yes	No	No	No
frier	Yes	No	No	No

As nouns, deep fryer and frier are synonyms defined as:

deep fryer and frier: A kitchen appliance for deep frying; its size depends on intended use.

Other synonyms of deep fryer include deep fat fryer, fryer, fryolator.

deep fryer (noun)	frier (noun)
A kitchen appliance for deep frying; its size depends on intended use.	A kitchen appliance for deep frying; its size depends on intended use.
	flesh of a medium-sized young chicken suitable for frying