command vs commission

command and commission both are nouns.

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

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

Other hyponyms of command include countermand, order, charge, direction, commandment, injunction, behest, open sesame.

command (noun)	commission (noun)
the power or authority to command	a special assignment that is given to a person or group
availability for use	the act of committing a crime
great skillfulness and knowledge of some subject or activity	the act of granting authority to undertake certain functions
an authoritative direction or instruction to do something	an official document issued by a government and conferring on the recipient the rank of an officer in the armed forces
(computer science) a line of code written as part of a computer program	a formal statement of a command or injunction to do something
a military unit or region under the control of a single officer	a special group delegated to consider some matter
a position of highest authority	a group of representatives or delegates
	a fee for services rendered based on a percentage of an amount received or collected or agreed to be paid (as distinguished from a salary)
	the state of being in good working order and ready for operation

command (verb)	commission (verb)
make someone do something	charge with a task
be in command of	put into commission; equip for service; of ships
demand as one's due	place an order for
exercise authoritative control or power over
look down on