There are over 300 (close to 335) houses in Westeros, and we don't know the words or the sigils for all of them. You can find the list at The Citadel: Heraldry - featuring every single house. read more
There are over 300 (close to 335) houses in Westeros, and we don't know the words or the sigils for all of them. You can find the list at The Citadel: Heraldry - featuring every single house. read more
House words do not typically appear on a House's heraldry, in the books as well as the TV series. In the first three TV seasons, House words have only appeared written out exactly once, when a Tyrell lady displays her embroidery of the House Tyrell golden rose sigil, surmounting their motto "Growing Strong". read more
The followers of a noble family can display their lord's heraldry (i.e. Lannister footsoldiers can carry banners with Lannister heraldry), but it is illegal for members of the smallfolk to just make up and use their own heraldry. The heraldry of each noble House is also accompanied by a specific House motto, or "words". read more