temptation vs sweetener

temptation and sweetener both are nouns.

Word	Noun	Adjective	Verb	Adverb
temptation	Yes	No	No	No
sweetener	Yes	No	No	No

As nouns, sweetener is a hyponym of temptation; that is, sweetener is a word with a more specific, narrower meaning than temptation:

Other hyponyms of temptation include forbidden fruit, bait, come-on, hook, lure, allurement.

temptation (noun)	sweetener (noun)
the act of influencing by exciting hope or desire	anything that serves as an enticement
something that seduces or has the quality to seduce	something added to foods to make them taste sweeter
the desire to have or do something that you know you should avoid