Collocations for take on - phr verb

Take on is used with these nouns as the object:
appearance, aspect, assignment, aura, burden, cargo, challenge, challenger, character, client, commitment, complexion, dimension, duty, expression, flavour, form, identity, importance, job, lease, liability, meaning, obligation, overtone, passenger, presidency, responsibility, role, shape, significance, staff, task, tour, trainee, work, worker, world