command vs requisition

command and requisition both are nouns.

Word	Noun	Adjective	Verb	Adverb
command	Yes	No	Yes	No
requisition	Yes	No	Yes	No

As verbs, requisition is a hyponym of command; that is, requisition is a word with a more specific, narrower meaning than command:

Other hyponyms of command include burden, charge, saddle, disallow, forbid, interdict, nix, prohibit, proscribe, veto.

command (noun)	requisition (noun)
the power or authority to command	seizing property that belongs to someone else and holding it until profits pay the demand for which it was seized
availability for use	the act of requiring; an authoritative request or demand, especially by a military or public authority that takes something over (usually temporarily) for military or public use
great skillfulness and knowledge of some subject or activity	an official form on which a request is made
an authoritative direction or instruction to do something
(computer science) a line of code written as part of a computer program
a military unit or region under the control of a single officer
a position of highest authority

command (verb)	requisition (verb)
make someone do something	make a formal request for official services
be in command of	demand and take for use or service, especially by military or public authority for public service
demand as one's due
exercise authoritative control or power over
look down on