This is particularly the case with masculine nouns ending in "-and", "-ant", "-ent", "-ist", "-krat" and "-log(e)". These primarily (but not exclusively) refer to human beings:
Other German masculine nouns
There are a few native German weak masculine nouns which do not end in "-e" in the nominative singular:
Note the irregular declension of "der Herr". This weak masculine noun adds "-en" throughout the plural, but "-n" in the singular for all cases other than the nominative.
