deep fryer vs fryer

deep fryer and fryer both are nouns.

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

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

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

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

deep fryer (noun)	fryer (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