What is the crossword answer for the clue: Fundamental principle

BASIS - a 5 letter word may be the answer you are looking for!

CANON - a 5 letter word may be the answer you are looking for!

TENET - a 5 letter word may be the answer you are looking for!

BEDROCK - a 7 letter word may be the answer you are looking for!

RATIONALE - a 9 letter word may be the answer you are looking for!

METAL - a 5 letter word may be the answer you are looking for!

TEAK - a 4 letter word may be the answer you are looking for!

AVIATOR - a 7 letter word may be the answer you are looking for!

TITHE - a 5 letter word may be the answer you are looking for!

Fundamental principle

4 Character Answers:

TEAK

5 Character Answers:

BASIS

CANON

METAL

TENET

TITHE

7 Character Answers:

AVIATOR

BEDROCK

9 Character Answers:

RATIONALE