A | B | C |D | E | F | G | H | I | J | M | N | O | P | Q | R | S | T | U | V - Z
i.e.
Abbreviation for "that is," usually followed by a comma.
Avoid using ex. or e.g. (e.g. is the abbreviation for "for example")
Inc.
not used in running text; may be included when companies/corporations are in lists, but with no preceding comma (e.g. Nike Inc.)
initials with names
Insert a period after middle initial (e.g., Jane B. Doe). Use a space between two or more initials (e.g., Bob R. K. Smith)
Internet
Always capitalize reference. See also computer terms, Web [link to 9.4.3.e Alphabetical List Of Style Preferences V-Z], and World Wide Web [link to 9.4.3.e Alphabetical List Of Style Preferences V-Z]
intranet
Always used lower case. See also computer terms [link to 9.4.3.j Computer Terms], Web [link to 9.4.3.e Alphabetical List Of Style Preferences V-Z], and World Wide Web [link to 9.4.3.e Alphabetical List Of Style Preferences V-Z]
introductory words:
First (not firstly)
Second (not secondly)
Third (not thirdly)