N.E. is one

• ERA or RBI
• Oz. or org
• Etc., for one
• Co., for company, e.g
• This answer, e.g
• Mr. or misc., e.g
• NASA, e.g.
• Shortened wd
• Shortened form of a word, for short

Wiktionary Word definitions in Wiktionary
n. (alternative spelling of abbr. dot= English).