hands vs personnel

hands and personnel both are nouns.

Word	Noun	Adjective	Verb	Adverb
hands	Yes	No	No	No
personnel	Yes	No	No	No

As nouns, personnel is a hypernym of hands; that is, personnel is a word with a broader meaning than hands:

Other hypernyms of hands include force.

hands (noun)	personnel (noun)
(with `in') guardianship over; in divorce cases it is the right to house and care for and discipline a child	group of people willing to obey orders
the force of workers available	the department responsible for hiring and training and placing employees and for setting policies for personnel management