| día | m |
| mapa | m |
| mediodía | m |
| idioma | m |
| planeta | m |
| clima | m |
| problema | m |
| programa | m |
| sistema | m |
| poema | m |
| mano | f |
| radio | f |
| foto | f |
| moto | f |
| lápiz | m |
| papel | m |
| arroz | m |
| examen | m |
| cine | m |
| clase | f |
| gente | f |
| llave (key) | f |
| piel (skin) | f |
| luz | f |
| ciudad | f |
| verdad | f |
| felicidad | f |
| libertad | f |
| juventud | f |
| multitud | f |
| nación | f |
| reunión | f |
| serie | f |
| tesis | f |
| crisis | f |
| equipaje | m |
| paisaje (landscape) | m |
| valor | m |
| amor | m |
| refrán (proverb) | m |
| champú (shampoo) | m |
| months of the year | m |
| days of the week | m |
| names of languages | m |
| coumpound nouns (paraguas) | m |
| numbers | m |
| colorse used as nouns | m |
| trees (naranjo) | m |
| fruit from a tree (cereza) | f |
| all infinitives | m |
| agua | m |
| aguas | f! |
| rivers, seas, and oceans | m |
| capital (money) | m |
| capital (capital city) | f |
| mañana (tomorrow) | m |
| mañana (morning) | f |
| frente (front as in weather) | m |
| frente (forehead) | f |
| orden (order, tidiness) | m |
| orden (command) | f |
| policía (policeman) | m |
| policía (police force) | f |
| arte (singular) | m |
| arte (plural) | f |