What is the crossword answer for the clue: ___ of life

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

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

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

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

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

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

BIOLOGICAL - a 10 letter word may be the answer you are looking for!

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

BIOTICAL - a 8 letter word may be the answer you are looking for!

ELIXIR - a 6 letter word may be the answer you are looking for!

___ of life

4 Character Answers:

ALAD

JAWS

TREE

5 Character Answers:

FACTS

PSALM

SLICE

STAFF

6 Character Answers:

CIRCLE

ELIXIR

8 Character Answers:

BIOTICAL

10 Character Answers:

BIOLOGICAL