Cases of word usage

1) to release a person (from sin, guilt, a promise, duty etc) (absolve)

2) (of a person) guided by one's sense of duty (conscientious)

3) (the duty of) caring for, guarding, people or things (custody)

4) of, having the duty or purpose of, making laws (legislative)

5) to pretend to be ill etc in order to escape duty or work (malinger)

6) (an instance of) doing wrong; neglect of duty (especially by a professional person such as a doctor or lawyer) (malpractice)

7) a promise, duty or condition that shows what action ought to be taken (e.g. the law, one's duty, a sense of what is right) (obligation)

8) (used to tell a person about a present or past duty or obligation) (used to express an opinion, give advice etc about the present or past) (ought)

9) done as a duty or routine but without care, sincerely or interest (perfunctory)

10) a person whose duty is to keep records e.g. for a town council or a university (registrar)