dictation vs order

dictation and order both are nouns.

Word	Noun	Adjective	Verb	Adverb
dictation	Yes	No	No	No
order	Yes	No	Yes	No

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

dictation: an authoritative direction or instruction to do something
order: (often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed

Other hyponyms of dictation include countermand, charge, commission, direction, commandment, injunction, behest, open sesame.

dictation (noun)	order (noun)
speech intended for reproduction in writing	the act of putting things in a sequential arrangement
an authoritative direction or instruction to do something	(architecture) one of original three styles of Greek architecture distinguished by the type of column and entablature used or a style developed from the original three by the Romans
matter that has been dictated and transcribed; a dictated passage	a degree in a continuum of size or quantity
	a legally binding command or decision entered on the court record (as if issued by a court or judge)
	a commercial document used to request someone to supply something in return for payment and providing specifications and quantities
	a body of rules followed by an assembly
	(often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed
	a request for something to be made, supplied, or served
	logical or comprehensible arrangement of separate elements
	(biology) taxonomic group containing one or more families
	a formal association of people with similar interests
	a group of person living under a religious rule
	established customary state (especially of society)
	a condition of regular or proper arrangement

dictation (verb)	order (verb)
	bring order to or into
	place in a certain order
	assign a rank or rating to
	arrange thoughts, ideas, temporal events
	make a request for something
	give instructions to or direct somebody to do something with authority
	issue commands or orders for
	bring into conformity with rules or principles or usage; impose regulations
	appoint to a clerical posts