order vs reorder

order and reorder both are nouns.

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

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

order: a commercial document used to request someone to supply something in return for payment and providing specifications and quantities
reorder: a repeated order for the same merchandise

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

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

Other hyponyms of order include place, call, wish, commission.

order (noun)	reorder (noun)
the act of putting things in a sequential arrangement	a repeated order for the same merchandise
(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
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

order (verb)	reorder (verb)
bring order to or into	assign a new order to
place in a certain order	make a new request to be supplied with
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