Principles, beliefs (6)
I believe the answer is:
tenets
I believe this is a double definition.
'principles' is the first definition.
(I know this)
'beliefs' is the second definition.
('tenet' can be a synonym of 'belief')
(Other definitions for tenets that I've seen before include "Principles of belief" , "Conviction" , "Principles, doctrines" , "gnomes?" , "Firm beliefs or doctrines" .)