password vs word

password and word both are nouns.

Word	Noun	Adjective	Verb	Adverb
password	Yes	No	No	No
word	Yes	No	Yes	No

As nouns, password and word are synonyms defined as:

password and word: a secret word or phrase known only to a restricted group

Other synonyms of password include countersign, parole, watchword.

password (noun)	word (noun)
a secret word or phrase known only to a restricted group	a unit of language that native speakers can identify
	a promise
	information about recent and important events
	a brief statement
	an exchange of views on some topic
	a secret word or phrase known only to a restricted group
	a verbal command for action
	a string of bits stored in computer memory

password (verb)	word (verb)
	put into words or an expression