Maintenance or maintainance: which is correct?

Standard form
maintenance
Non-standard
maintainance
Non-standard
maintenence
Non-standard
maintanance
Summary

Standard form: maintenance — Non-standard: maintainance / maintenence / maintanance. Maintenance = the process of keeping something in good condition; the provision of financial support.

Part of speech
noun
Source
Oxford

Why

Oxford: although the verb is maintain, the noun was borrowed separately from French maintenance and is spelled with -ten- in the middle and the ending -ance — like the French source, not like the English verb.

Examples

  • The lift is closed for maintenance until Friday.
  • Regular maintenance keeps the engine efficient.

Wrong → right

✗ Non-standard
The lift is closed for maintainance until Friday.
✓ Standard form
The lift is closed for maintenance until Friday.
✗ Non-standard
Regular maintainance keeps the engine efficient.
✓ Standard form
Regular maintenance keeps the engine efficient.
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Checked against
Merriam-Webster / Oxford
Spelling authority
Merriam-Webster · Oxford English Dictionary / Oxford spelling · SCOWL
Commonly confused and non-standard forms
64
Dictionary
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Commonly confused words

Commonly confused words are pairs or groups that sound or look alike but differ in meaning or grammar, such as affect and effect, its and it’s, or principal and principle. Each entry here explains the difference in plain words, shows it in two example sentences and names the convention it follows: Merriam-Webster for American English, Oxford for British English. Spelling variants such as colour and color are marked as correct in their own variety, not as errors.

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