wasteful
His wife was wasteful and he had to keep his nose to the grindstone.
abort
The rescue mission had to be aborted.
accessory
The accessories for a car include the heater and the radio.

adherence
Her adherence to her principles cost her job.
administer
She had a huge department to administer.
aerospace
The Challenger shuttle crew, of seven astronauts-including the specialties of pilot, aerospace engineers, and scientists died tragically in the explosion.