What is the crossword answer for the clue: Keep ___ alive!

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

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

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

Keep ___ alive!

4 Character Answers:

HOPE

7 Character Answers:

NOURISH

SUSTAIN