word a unit of language that native speakers can identify; "words are the blocks from which sentences are made"; "he hardly said ten words all morning"
bit the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit"
byte -
A unit of computing storage equal to eight bits.
Wikipedia
The byte, coined from "bite", but respelled to avoid accidental mutation to "bit", is a unit of digital information in computing and telecommunications. It is an ordered collection of bits, in which each bit denotes the binary value of 1 or 0. Historically, a byte was the number of bits (typically 5, 6, 7, 8, 9, 12, or 16) used to encode a single character of text in a computer and it is for this reason the basic addressable element in many computer architectures.
OmegaWiki Dictionary
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byte A unit of measurement of information storage, most often consisting of eight bits.