royal
Princess (daughter of a king) = Binti mfalme Princess (wife of a prince) = Mkewe mwanamfalme Princess (title), Lady = Bibi Young princess (title), Small lady = Kibibi
king; takavor queen; taguhi prince; arkayazen princess; arkayadooster duke; ishxan duchess; ishxanoohi lord; naxarar lady (female lord); naxararoohi
Princess is the word you are looking for.
lord
Sarah means "lady" or "princess"
You must be thinking of some other book. The word Princess is never used in The Lord of the Rings.
The prince's armament is helpful to protect the princess.
From the Japanese word 'taikun' meaning great lord or prince
Moulay means "My Lord" or "Prince".
Nesichah (נסיכה) means princess. The masculine form is nasich (נסיך). It doesn't quite mean "lady"
If you mean "Lady" as a title than her daughter will also be known as "lady" eg: Lady Samantha is the daughter of Lord and Lady Escallacott
Prince Charles and Lady Diana were not suitably matched.