word (sequence of sounds or letters within a language carrying meaning)
word (short oral or written statement) [+ od (genitive) = from whom/what], [+ o (locative) = about whom/what]
text; lyric (words of a scientific, literary, or musical work) [+ do (genitive) = for what]
word (promise, oath, guarantee)
word (fixed-size group of bits handled as a unit by a machine and which can be stored in or retrieved from a typical register so that it has the same size as such a register)
verb (word that indicates an action, event, or state of being)
(obsolete) say (chance to speak; the right or power to speak)
lyrics (words of a text, especially a song)

(colloquial) used to make a promise; word; you have my word
(colloquial) used to claim that one is trustworthy, wherein which the first noun may be substituted to match the person's role; (Scout's) honor