"Income" means money earned through a job, wages, salary. To provide further help, an "outlier" is something or someone that falls well outside the center of a group, something unusual, a unique piece of data; a "companion" is a friend, someone who is with you; an "accomplice" is a person who assists another person in committing a crime.

A "vocation" is a job or an occupation. To provide further help, a "committee" is a group of people who meet to decide something; a "syndicate" is a group of people who work together to further their common interests; an "arbiter" is a person given power to settle a disagreement, the person who makes the decision.

A "feat" is an accomplishment, something achieved or completed. To provide further help, a "hardship" is a difficulty; a "nuisance" is something irritating or annoying.

The "onset" of something is the start of something, the beginning. To provide further help, an "intermission" is a break in the middle of a performance. A "pause" is a temporary cessation of speech or activity. "End" is an antonym to "onset." You might "delay" the "onset" of something, but the two words are not close to being synonymous.

An "adhesive" is something sticky, like glue, used to stick two objects together. While "wood glue" can be a useful tool, by itself "wood" refers to a solid substance drawn from trees. "Friend" is a liked companion, and thus mostly unrelated. "Enemy" is an antonym to "friend." "Mirrors" while often framed by "wood" and held together with an "adhesive" (like wood glue!) it is unrelated as a noun to the word "adhesive."

An "accolade" is an award or reward given in recognition of someone's accomplishments. To provide further help, "apparel" is clothing; an "inkling" is an idea, a notion, an unsure idea about something; "sleet" is a combination of rain and snow. 

To be "weary" means to be tired, so "weariness" is tiredness or exhaustion. To provide further help, "frankness" is honesty, often brutal honesty; "poverty" is the state of being very poor, the opposite of "wealth"; "hearsay" is gossip, unreliable information passed along within a group of people.

Do not confuse the word "tome" with "tomb." They are different words! The word "tomb" refers to a grave in which someone is buried. The word "tome" indicates . Hence, the only option that is acceptable is "volume." Think of when someone says, "He opened the large volume and flipped through its pages." This means that the person has opened up a large book to flip through the pages.

The word "gash" describes a kind of deep and large wound, not merely a scrape or a mere cut. Therefore, you should not choose any of the options that do not indicate a very bad wound unless there are no other options; however, there is an important other option, namely, "laceration." A "laceration" is a large cut. The word comes from Latin roots meaning to mangle, meaning to tear apart. Indeed, this is a strong enough option and is, therefore, the best among those provided.

Likely, you have heard the expression "dirt and grime," referring to what has collected on something that is quite dirty. In general, "grime" is used as a word indicating dirt. The only wrong options that should be somewhat tempting are "oil" and "stain"; however, "oil" only describes one particular kind of grime, and a "stain" may be what happens whenever something is grimy (hence, it is not the "grime" itself).