let on vs muckrake

let on and muckrake both are verbs.

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

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

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
muckrake: explore and expose misconduct and scandals concerning public figures

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