gimbal vs convenience

gimbal and convenience both are nouns.

Word	Noun	Adjective	Verb	Adverb
gimbal	Yes	No	No	No
convenience	Yes	No	No	No

As nouns, convenience is a hypernym of gimbal; that is, convenience is a word with a broader meaning than gimbal:

gimbal: an appliance that allows an object (such as a ship's compass) to remain horizontal even as its support tips
convenience: a device or control that is very useful for a particular job

Other hypernyms of gimbal include appliance, contraption, contrivance, gadget, gismo, gizmo, widget.

gimbal (noun)	convenience (noun)
an appliance that allows an object (such as a ship's compass) to remain horizontal even as its support tips	a device or control that is very useful for a particular job
	a toilet that is available to the public
	the quality of being useful and convenient
	the state of being suitable or opportune