order vs class

order and class both are nouns.

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

order (noun)	class (noun)
the act of putting things in a sequential arrangement	education imparted in a series of lessons or meetings
(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	elegance in dress or behavior
a degree in a continuum of size or quantity	a collection of things sharing a common attribute
a legally binding command or decision entered on the court record (as if issued by a court or judge)	people having the same social, economic, or educational status
a commercial document used to request someone to supply something in return for payment and providing specifications and quantities	(biology) a taxonomic group containing one or more orders
a body of rules followed by an assembly	a body of students who are taught together
(often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed	a body of students who graduate together
a request for something to be made, supplied, or served	a league ranked by quality
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)	class (verb)
bring order to or into	arrange or order by classes or categories
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