Without consulting the Queen, standard English usage is "employees".
American English does not have the letter u in words (like honored and colored) to the credit of the Websters Dictionary in 1828. Websters set the precendence for the spelling of these English words leaving out the u.
Websters Spelling Book. Written by Noah Webster
The possessive singular of all English nouns, regardless of spelling, is formed by adding 's: atlas's ( pronounced "atlases" as if it were a plural).
In English the spelling is hors d'oeuvre (singular) and hors d'oeuvres (plural), meaning appetizers.In French, the spelling (singular and plural) is hors d'œuvre.
Noah Webster, the author of popular readers and spelling books for schools, published his first dictionary, A Compendious Dictionary of the English Language, in 1806.
The singular possessive of "headdress" is "headdress's".
The possessive singular of all English nouns, regardless of spelling, is formed by adding 's: heiress's (pronounced as if it were a plural).
The correct English spelling is graffiti (from the Italian singular graffito, plural graffiti).
The word 'trollie' is not a word in English. Check the spelling and ask your question again.
There is no word 'apastiph' in English. Check the spelling and ask your question again.
The spelling is hors d'oeuvre (English singular), plural hors d'oeuvres (from French).
The correct spelling is hors d'oeuvre, which is both singular and plural in French. In English, the plural is often given as hors d'oeuvres. See link.