man vs arm

man and arm both are nouns.

Word	Noun	Adjective	Verb	Adverb
man	Yes	No	Yes	No
arm	Yes	No	Yes	No

man (noun)	arm (noun)
all of the living human inhabitants of the earth	the part of a garment that is attached at the armhole and that provides a cloth covering for the arm
any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage	any instrument or instrumentality used in fighting or hunting
game equipment consisting of an object used in playing certain board games	the part of an armchair or sofa that supports the elbow and forearm of a seated person
an adult person who is male (as opposed to a woman)	any projection that is thought to resemble a human arm
someone who serves in the armed forces; a member of a military force	a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb
the generic use of the word to refer to any human being	a division of some larger or more complex organization
a manservant who acts as a personal attendant to his employer
an adult male person who has a manly character (virile and courageous competent)
a male person who plays a significant role (husband or lover or boyfriend) in the life of a particular woman
a male subordinate

man (verb)	arm (verb)
provide with workers	prepare oneself for a military confrontation
take charge of a certain job; occupy a certain work place	supply with arms