crimping iron vs home appliance

crimping iron and home appliance both are nouns.

Word	Noun	Adjective	Verb	Adverb
crimping iron	Yes	No	No	No
home appliance	Yes	No	No	No

As nouns, home appliance is a hypernym of crimping iron; that is, home appliance is a word with a broader meaning than crimping iron:

crimping iron: An electrical appliance for crimping the hair so that it becomes wavy, often in a sawtooth fashion.
home appliance: an appliance that does a particular job in the home

Other hypernyms of crimping iron include electrical device, household appliance.

crimping iron (noun)	home appliance (noun)
An electrical appliance for crimping the hair so that it becomes wavy, often in a sawtooth fashion.	an appliance that does a particular job in the home