let down vs disenchant

let down and disenchant both are verbs.

Word	Noun	Adjective	Verb	Adverb
let down	No	No	Yes	No
disenchant	No	No	Yes	No

As verbs, disenchant is a hyponym of let down; that is, disenchant is a word with a more specific, narrower meaning than let down:

Other hyponyms of let down include betray, fail, come short, fall short, disillusion.

let down (verb)	disenchant (verb)
fail to meet the hopes or expectations of	free from enchantment
move something or somebody to a lower position