The term 'PERTAINING TO KINGS AND QUEENS' can be summed up with the word 'ROYAL', which has five letters. Royalty is a term used to describe those who are members of a monarchical family, such as kings, queens, princes, and princesses. It is also used to refer to the power and authority of a monarch, or the state ruled by a monarch. Royalty is often associated with wealth, power, and prestige, and is often seen as a symbol of status and privilege.