| A | B |
| la bolsa | bag/sack |
| la botella | bottle |
| la caja | box |
| el cartón | cardboard |
| el centro de reciclaje | recycling center |
| la lata | can |
| llevar | to take/carry |
| el periódico | newspaper |
| recoger | to collect/gather |
| separar | to separate |
| usado(a) | used |
| el vidrio | glass |
| el barrio | neighborhood |
| la calle | street/road |
| la comunidad | community |
| el jardín | garden/yard |
| el río | river |
| los ancianos | older people |
| el anciano | older man |
| la anciana | older woman |
| el campamento | camp |
| los demás | others |
| la escuela primaria | primary school |
| la gente | people |
| el hospital | hospital |
| el juguete | toy |
| los niños | children |
| el niño | young boy |
| la niña | young girl |
| pobre | poor |
| el problema | problem |
| el proyecto de construcción | construction project |
| el trabajo voluntario | volunteer work |
| el voluntario | volunteer (male) |
| la voluntaria | volunteer (female) |
| a menudo | often |
| decidir | to decide |
| Es necesario. | It's necessary. |
| la experiencia | experience |
| Hay que... | One must... |
| increíble | incredible |
| inolvidable | unforgetable |
| ¿Qué más? | What else? |
| la vez | time |
| las veces | times |
| otra vez | again |
| digo | I say/tell |
| dices | informal you say/tell |
| dice | he/she/formal you say/tell |
| decimos | we say/tell |
| decís | informal you guys say/tell |
| dicen | they/formal you guys say/tell |
| me | to/for me |
| te | to/for informal you |
| le | to/for him/her/formal you |
| nos | to/for us |
| os | to/for informal you guys |
| les | to/for them/formal you guys |
| di | I gave |
| diste | informal you gave |
| dio | he/she/formal you gave |
| dimos | we gave |
| diisteis | informal you guys gave |
| dieron | they/formal you guys gave |
| hice | I did/made |
| hiciste | informal you did/made |
| hizo | he/she/formal you did/made |
| hicimos | we did/made |
| hicisteis | informal you guys did/made |
| hicieron | they/formal you guys did/made |