arms vs means

arms and means both are nouns.

Word	Noun	Adjective	Verb	Adverb
arms	Yes	No	No	No
means	Yes	No	No	No

As nouns, means is a hypernym of arms; that is, means is a word with a broader meaning than arms:

arms: weapons considered collectively
means: an artifact (that is instrumental in accomplishing some end) for accomplishing some end

Other hypernyms of arms include instrumentality, instrumentation.

arms (noun)	means (noun)
weapons considered collectively	to have the ability to produce a particular effect or achieve an end
the official symbols of a family, state, etc.	an artifact (that is instrumental in accomplishing some end) for accomplishing some end
	considerable capital (wealth or income)