accept vs take on

accept and take on both are verbs.

Word	Noun	Adjective	Verb	Adverb
accept	No	No	Yes	No
take on	No	No	Yes	No

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

Other hyponyms of accept include accept, admit, take, welcome, honor, honour, adopt, borrow, take over, take up.

As verbs, accept and take on are synonyms defined as:

Other synonyms of accept include admit, take.

accept (verb)	take on (verb)
consider or hold as true	take on a certain form, attribute, or aspect
react favorably to; consider right and proper	contend against an opponent in a sport, game, or battle
tolerate or accommodate oneself to	admit into a group or community
be sexually responsive to, used of a female domesticated mammal	accept as a challenge
give an affirmative reply to; respond favorably to	take on titles, offices, duties, responsibilities
receive willingly something given or offered
take on as one's own the expenses or debts of another person
admit into a group or community
receive (a report) officially, as from a committee
make use of or accept for some purpose
be designed to hold or take