Accept, a verb, means "to receive willingly," "to recognize as true," or "to agree to undertake." Except can be a preposition meaning "with the exclusion of" or a verb meaning "leave out."
The controller accepts the new memory
address.
Ginga accepted the leadership of the
redesign team.
The entire team was present except the
project manager. [preposition]
The professor cannot except any students
from the final. [verb]
