trimmer vs capacitor

trimmer and capacitor both are nouns.

Word	Noun	Adjective	Verb	Adverb
trimmer	Yes	No	No	No
capacitor	Yes	No	No	No

As nouns, capacitor is a hypernym of trimmer; that is, capacitor is a word with a broader meaning than trimmer:

trimmer: capacitor having variable capacitance; used for making fine adjustments
capacitor: an electrical device characterized by its capacity to store an electric charge

Other hypernyms of trimmer include capacitance, condenser, electrical condenser.

trimmer (noun)	capacitor (noun)
joist that receives the end of a header in floor or roof framing in order to leave an opening for a staircase or chimney etc.	an electrical device characterized by its capacity to store an electric charge
capacitor having variable capacitance; used for making fine adjustments
a machine that trims timber
a worker who thins out and trims trees and shrubs