| A | B |
| retort | to reply to, usually in a sharp way |
| subordinate | of less importance, secondary |
| subsequent | occuring or coming later or after |
| parasite | an organism that lives on or in an organism of another species |
| submerge | to put or sink below the surface of water |
| boon | something to be thankful for |
| lava | the molten, fluid rock that issues from a volcano |
| presume | to take for granted, assume, or suppose |
| tardy | late; behind time; not on time |
| resume | to take or occupy again |
| taper | to become smaller or thinner toward one end |
| threshold | any place or point of entering or beginning |
| absorb | to suck up or drink in |
| shun | to keep away from |
| larva | the young of any invertebrate animal |
| loom | to appear indistinctly |
| err | to go astray in thought or belief |
| spacious | containing much space |