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• But the rector says it plays a vital role.
• We see an absolutely vital role for wholesalers.
• GPs have a vital role to play in health promotion.

important role	107.24	I am sure, however, that it plays an important role."
major role	49.60	For one department this was its major role.
key role	46.41	Dreaming has a key role in psychoanalytic theory.
leading role	41.05	Hayton hops to leading role
new role	40.72	It is not a new role.
vital role	36.03	But the rector says it plays a vital role.
central role	33.01	His is the central role.
active role	29.66	Magistrates were given a more active role.
crucial role	28.49	The crucial role of the teacher
significant role	21.78	And she came to play a significant role in building his career.