These are fan-coined words. in the Phrasebooks, they are marked with Asterisks.
Sindarin Compass Directions
A list of compass directions and a few partial phrases including them.
A list of words for family members, including endearments.
A list of words for people based on their gender.
Charts of pronouns for quick reference.
Sindarin Sentient Creatures, Tribes, and Nationalities
What characters of different nationalities would call each other.