let in vs take on

let in and take on both are verbs.

Word	Noun	Adjective	Verb	Adverb
let in	No	No	Yes	No
take on	No	No	Yes	No

let in (verb)	take on (verb)
allow participation in or the right to be part of; permit to exercise the rights, functions, and responsibilities of	take on a certain form, attribute, or aspect
allow to enter; grant entry to	contend against an opponent in a sport, game, or battle
	admit into a group or community
	accept as a challenge
	take on titles, offices, duties, responsibilities