WP:WORDS (more often MOS:WORDS or MOS:WTW) is a shortcut to Wikipedia:Manual of Style/Words to watch, the guideline on expressions that may introduce bias, lack precision, or be taken as offensive

You might instead be looking for:

• Wikipedia: Wikipedia is not a dictionary (WP:NOTDICT), the policy on words as article topics
• Wikipedia:Manual of Style/Text formatting § Words as words (MOS:WAW), the guideline section on formatting of words mentioned or defined in text
• Manual of Style supplements on wording in encyclopedic writing:
  • Wikipedia:Manual of Style/Spelling/Words ending with "-ise" or "-ize", a table of word spellings in American and two variants of British English
  • Wikipedia:Commonly misspelled words, a list of frequent errors, used for cleanup by editors and bots
  • Wikipedia:Manual of Style/Words to watch/Config, list of the most common loaded or weasel terms and phrases, used for cleanup by editors and bots
  • Wikipedia:Needless words, a short list of junk or puffery words and phrases, for editors to delete/replace
  • Wikipedia:Biographies of living persons/Risk lists/risk words, a short list of red-flag terms (unmaintained since 2010)

• Help:Magic words (H:MAGIC, H:MW), documentation of "magic words" used in wikicode, including parser functions, variables, and behavior switches
  • Help:Magic words for beginners (H:MAGICBEGIN, H:MWFB), a summary version of the above
• On Microsoft Word and other word-processor software as Wikipedian tools:
  • Help:WordToWiki, instruction on transfering content from several word processors into MediaWiki format as used on Wikipedia
  • Wikipedia:Historical archive/How to draw a diagram with Microsoft Word, instructions on using Word for graphics; obsolete since 2014

• Wikipedia:Embrace weasel words, a humor essay that nevertheless makes some valid points about "weasel-wording" occasionally being practical not weaselly
• Wikipedia:Aesthetic opinions (WP:GREATEST), concise essay summarizing how to treat claims like "[one of] the greatest"
• Wikipedia:The problem with elegant variation (WP:ELEVAR), an essay on pitfalls in overuse of synonyms to avoid repeating a word or name
• Wikipedia:Use our own words (WP:OUROWNWORDS), an essay on rewriting to avoid plagiarism (and on the etymological fallacy)
• Wikipedia:Why Wikipedia's policies and guidelines should never use the term "third party" (WP:DONTSAY3RDPARTY), an essay providing an opinion against a particular phrase
• Wikipedia:Words of wisdom (WP:WISDOM), an essay on editorial ego (and conspiracy theorizing)

Miscellaneous other partial-title matches (via selective search):

• with "words"
• with "word"