complement vs manpower

complement and manpower both are nouns.

Word	Noun	Adjective	Verb	Adverb
complement	Yes	No	Yes	No
manpower	Yes	No	No	No

As nouns, manpower is a hypernym of complement; that is, manpower is a word with a broader meaning than complement:

Other hypernyms of complement include hands, men, work force, workforce.

complement (noun)	manpower (noun)
something added to complete or embellish or make perfect	the force of workers available
either of two parts that mutually complete each other
a word or phrase used to complete a grammatical construction
number needed to make up a whole force
a complete number or quantity
one of a series of enzymes in the blood serum that are part of the immune response

complement (verb)	manpower (verb)
make complete or perfect; supply what is wanting or form the complement to