A series is given, with one word missing. Choose the correct option from the given ones that will complete the series.
Ethnic, Icebox, Oxen, Entice, ?

The series follows a pattern based on the last two letters of each word forming the beginning of the next word:
* Ethniic $\to$ starts with Ic $\to$ Icebox
* Icebox $\to$ starts with Ox $\to$ Oxen
* Oxen $\to$ starts with En $\to$ Entice
* Entice $\to$ the next word must start with Ce.

Among the options, only Century starts with 'Ce'.