| A | B |
|---|
| correct | to remove the mistakes from |
| correction | the act or process of making something right |
| explore | to look into; investigate; check out |
| exploration | the act of investigating something |
| admire | to have a high opinion of; feel great respect for |
| admiration | a high opinion; respect; esteem |
| subtract | to take away; deduct |
| subtraction | the act or process of subtracting; deduction |
| examine | to investigate in detail; observe carefully |
| examination | a set of written or oral questions or exercises designed to test knowledge or skills |
| separate | distinct from others; individual or independent |
| separation | the condition of being separated |
| alter | to change or make different |
| alteration | the act or process of changing or altering |
| observe | to perceive, notice, or watch attentively |
| observation | the act of observing |
| reflect | to throw or bend back from a surface |
| reflection | the act or process of reflecting |
| substitute | to take the place of another; replace; exchange |
| substitution | the act of replacing; replacement; alternate |
| confess | to state openly or admit something wrong or bad that one has done |
| confession | the act of confessing, revealing, or admitting; acknowledgement |
| pollute | to make unfit for or harmful to living organisms, especially by the addition of waste matter |
| pollution | the contamination of air, water, or soil by harmful substances |
