UnScramble this Word: i l a h t t s l?

Questions

Definitions : -isms: Excessive enthusiasm or zeal for a cause.?

Definitions : -isms: Poisoning caused by a toxin in improperly prepared food.?

Definitions : -isms: Public ownership of the basic means of production, distribution, and exchange.?

Definitions : -isms: The belief in living a very austere and self-denying life.?

Definitions : A clip, shaped like a bar to keep a woman's hair in place is a _______.?