| A | B |
| zero | nothing |
| zone | an area of land or sky marked for a special purpose |
| zoo | a place where animals are displayed in cages |
| business | activities of people buying and selling goods and services |
| desert | a dry region |
| design | style, form |
| easy | simple to do |
| exact | accurate |
| example | a sample |
| observe | to remark |
| present | to give |
| reason | the ability to understand and think logically |
| result | an effect |
| always | forever |
| as | for example |
| cause | a reason why something happens |
| close | to shut |
| does | third person singular, present tense of do |
| exercise | a question or task for mental traning |
| has | third person, present tense of have |
| his | possessive pronoun of he |
| size | the physical measure of something or someone |
| these | referring to nearby things |
| those | referring to specific people or things not close by |
| use | to consume |
| was | past tense of be |
| letters | symbols of an alphabet |
| years | a long time |