maintenance

From Wiktionary
maintenance is on the Academic Word List.

Word parts[change]

maintain + -ance

Pronunciation[change]

Noun[change]

Singular
maintenance

Plural
maintenances

A man performing maintenance on an airplane
  1. (uncountable) Maintenance is the process of regularly fixing things and keeping something in good shape.
    After 8,000 km, you should take the car in for maintenance.
    Wood houses can be a problem because they require regular maintenance.