deep fryer vs kitchen appliance

deep fryer and kitchen appliance both are nouns.

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

As nouns, kitchen appliance is a hypernym of deep fryer; that is, kitchen appliance is a word with a broader meaning than deep fryer:

deep fryer: A kitchen appliance for deep frying; its size depends on intended use.
kitchen appliance: a home appliance used in preparing food

deep fryer (noun)	kitchen appliance (noun)
A kitchen appliance for deep frying; its size depends on intended use.	a home appliance used in preparing food