• Most second declension nouns with a nominative in -us or -er are masculine. The most common exceptions are: humus ground feminine vulgus crowd neuter (sometimes masculine) pelagus sea neuter Names of trees, towns and islands (e.g., quercus “oak”) are feminine. • Second declension nouns with a nominative in -um are neuter. The dictionary entry for a noun lists the nominative singular form, the genitive singular form, and the gender of the noun. The genitive singular form identifies
Page 15