Sentence:  [Y]et, that your Majesty may not be abused, and that you may see that there is nothing but <WSD>"fard</WSD>" in that which may seem "fairest" of all their proceedings, I conceive myself obliged in duty and honour to "undervalue all their malice", and truly to inform your Majesty in what you are, and may be, so much concerned. ["Footnote 1": ... <WSD>"Fard</WSD>" here signifies the false daubing on a harlot's cheek.nb...] 
Meaning of the word marked with <WSD> tags:  Colour or paint, especially white paint, used on the face; makeup, war-paint.