muckrake vs let on

muckrake and let on both are verbs.

Word	Noun	Adjective	Verb	Adverb
muckrake	No	No	Yes	No
let on	No	No	Yes	No

As verbs, let on is a hypernym of muckrake; that is, let on is a word with a broader meaning than muckrake:

muckrake: explore and expose misconduct and scandals concerning public figures
let on: make known to the public information that was previously known only to a few people or that was meant to be kept a secret

Other hypernyms of muckrake include break, bring out, disclose, discover, divulge, expose, give away, let out, reveal, uncover, unwrap.

muckrake (verb)	let on (verb)
explore and expose misconduct and scandals concerning public figures	make known to the public information that was previously known only to a few people or that was meant to be kept a secret