master vs command

master and command both are nouns.

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

As verbs, command is a hypernym of master; that is, command is a word with a broader meaning than master:

Other hypernyms of master include control.

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

Other hyponyms of master include subject, subjugate.

master (noun)	command (noun)
an original creation (i.e., an audio recording) from which copies can be made	the power or authority to command
key that secures entrance everywhere	availability for use
an artist of consummate skill	great skillfulness and knowledge of some subject or activity
a combatant who is able to defeat rivals	an authoritative direction or instruction to do something
an authority qualified to teach apprentices	(computer science) a line of code written as part of a computer program
directs the work of others	a military unit or region under the control of a single officer
a person who has general authority over others	a position of highest authority
someone who holds a master's degree from academic institution
presiding officer of a school
an officer who is licensed to command a merchant ship

master (adjective)	command (adjective)
most important element

master (verb)	command (verb)
have a firm understanding or knowledge of; be on top of	make someone do something
be or become completely proficient or skilled in	be in command of
get on top of; deal with successfully	demand as one's due
have dominance or the power to defeat over	exercise authoritative control or power over
	look down on