fusee vs ignitor

fusee and ignitor both are nouns.

Word	Noun	Adjective	Verb	Adverb
fusee	Yes	No	No	No
ignitor	Yes	No	No	No

As nouns, ignitor is a hypernym of fusee; that is, ignitor is a word with a broader meaning than fusee:

Other hypernyms of fusee include igniter, light, lighter.

fusee (noun)	ignitor (noun)
any igniter that is used to initiate the burning of a propellant	a device for lighting or igniting fuel or charges or fires
a friction match with a large head that will stay alight in the wind	a substance used to ignite or kindle a fire
a colored flare used as a warning signal by trucks and trains
a spirally grooved spindle in a clock that counteracts the diminishing power of the uncoiling mainspring