Monster in German is the same word; 'Monster'. In the plural form the word doesn't change but instead of saying 'ein Monster' (a monster), you would say 'die Monster' which means the monsters.
The plural of "Apfel" in German is "Äpfel".
The plural form for "German" is "Germans."
Kugelschreiber is both the singular and plural.
The Plural form of Filzstift is Filzstifte.
There is no plural of länder since "länder" is "land" in plural.
The plural of monster is monsters.
German plural forms are formed irregularly.
The plural of "Apfel" in German is "Äpfel".
The plural form for "German" is "Germans."
Monsters
Kugelschreiber is both the singular and plural.
German shephards.
The plural form of the German word Wohnwand is Wohnwände
The plural of Fach is Fächer.
das Poster (singular) die Poster (plural)
Using the correct title "German shepherd dog" makes easier. The plural is then "German shepherd dogs". They are however incorrectly called "German shepherds"
Its the Same word. The plural of schüler is schüler