-ment
Nouns ending in -ment are almost always das.
German does not build these — the words arrived whole.The words came from Latin.
Examples
- das Dokument
- das Medikament
- das Kompliment
- das Instrument
- das Parlament
- das Experiment
Plural
- das Dokument → die Dokumente
- das Abonnement → die Abonnements
Exceptions
der Moment and der Zement are the two that are not das.
- der Moment
- der Zement