The nightingale, Luscinia megarhynchos.

A year that is not a leap year.

(dated or historical) European Economic Community (A European trade group).

A noun that denotes any member, or all members, of a class; an ordinary noun such as "dog" or "city". In contrast, a proper noun is a single named entity such as "Socrates".

Digital property, often but not necessarily in the public domain, especially intellectual property, when expressed and reproduced using digital formats.

plural of common minnow

(chiefly British) ordinary, standard.

A species of minnow widespread in the fresh waters of northern Eurasia, Phoxinus phoxinus.

plural of common rat

plural of common vole