Words with the following ‘endings’ are generally neuter
- ment, - chen, - lein/chen, - nis, - ium, -tum, - eau, - ett
- ment
das Dokument (document)
das Testament (will)
das Medikament (medicine)
das Instrument (instrument)
das Supplement (supplement)
a common exception here is ‚der Moment (moment)‘
- chen
das Mädchen (girl)
das Märchen (myth)
das Kochen (cooking)
das Kügelchen (globule) [die Kugel – ball, sphere]
A common exception: der Kuchen (cake)
- lein/chen
While der Vogel means bird,
das Vöglein and das Vögelchen both mean little bird
- nis
das Geheimnis (mystery)
das Erlebnis (experience)
das Hindernis (obstacle, barrier)
- ium
das Studium (studies)
das Bakterium (bacteria)
das Aquarium (aquarium)
das Ministerium (ministry)
-tum
das Eigentum (property, estate)
das Datum (date)
das Wachstum (growth, increase)
Few exceptions are: der Reichtum (richness), der Irrtum (error, mistake)
- eau
das Niveau (standard, level)
- ett
das Büfett (buffet)
das Bett (bed)
das Ballett (ballett)
By the way, name of the colors are all with ‘das’:
das Blau – blue
das Grün – green
das Gelb – yellow
das Rot – red
das Braun – brown
das Violett – violett
das Schwarz – black
das Weiß – white
das Rosa – pink
Metals are also neuter in German:
das Gold – gold
das Eisen – iron
das Blei – lead
das Kupfer – copper
das Zink – zinc
das Aluminium – aluminium
das Zinn - tin
das Wolfram – wolfram
das Chrom – chrome
das Uran - uranium
Also note the followiings:
das Haus – house, home
das Geld – money
das Leben – life
das Foto - photo