rushlight vs taper

rushlight and taper both are nouns.

Word	Noun	Adjective	Verb	Adverb
rushlight	Yes	No	No	No
taper	Yes	No	Yes	No

As nouns, taper is a hypernym of rushlight; that is, taper is a word with a broader meaning than rushlight:

Other hypernyms of rushlight include candle, wax light.

rushlight (noun)	taper (noun)
a tallow candle with a rush stem as the wick	stick of wax with a wick in the middle
	a loosely woven cord (in a candle or oil lamp) that draws fuel by capillary action up into the flame
	the property possessed by a shape that narrows toward a point (as a wedge or cone)
	a convex shape that narrows toward a point

rushlight (verb)	taper (verb)
	give a point to
	diminish gradually