As nouns the difference between word and sword
is that
word is the smallest unit of language which has a particular meaning and can be expressed by itself; the smallest discrete, meaningful unit of language. Contrast
morpheme while
sword is a long-bladed weapon having a handle and sometimes a hilt and designed to stab, hew, or slice.
As a verb word
is to say or write (something) using particular words; to phrase (something).
As an interjection word
is truth, indeed, to tell or speak the truth; the shortened form of the statement, "My word is my bond," an expression eventually shortened to "Word is bond," before it finally got cut to just "Word," which is its most commonly used form.