deep fat fryer vs deep fryer

deep fat fryer and deep fryer both are nouns.

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

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

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

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

deep fat fryer (noun)	deep 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.