This is the 1254th most frequent German word.
zweiter
"Zweiter" means "second" in English.
Here, 'zweiter' is used as a masculine noun indicating the rank or position in an ordinal sequence, equivalent to 'second' in English.
Er wurde zweiter im Wettkampf.
He finished second in the competition.
In this example, 'zweite' modifies 'Buch' as an ordinal adjective, highlighting its relative position, meaning the 'second' in sequence.
Das zweite Buch ist mein Lieblingsbuch.
The second book is my favorite book.
Here, 'zweiten' describes 'Möglichkeit' as a feminine singular noun in the accusative case, implying another or additional choice.