Bi- means two while semi- means half, meaning a biweekly meeting would be held every two weeks while a semiweekly meeting would be held twice a week. However, biannual and semiannual both mean twice a year. To say once every two years, use biennial instead.

A soliloquy is a speech or monologue directed at the speaker themselves which demonstrates their internal dialogue or inner thoughts.

Avocation refers to a hobby while vocation means a career.

Bi- means two while semi- means half, meaning a biweekly meeting would be held every two weeks while a semiweekly meeting would be held twice a week. However, biannual and semiannual both mean twice a year. To say once every two years, use biennial instead.

A proverb is a popular saying that contains generally accepted advice or wisdom. Proverbs are short and are often metaphorical or indirect.

Both avenge and revenge mean to inflict harm in return for a wrong done to someone, but revenge implies the action comes out of resentment or anger. Revenge is more often used as a noun.

Biannual and semiannual both mean twice a year. To say once every two years, use biennial instead.

Homonyms are words which sound the same but have different meanings, such as flower and flour.

An auger is a tool used for boring while augur means to foretell a good or bad outcome.

This is a list of tropes commonly found in mystery novels that you can use as inspiration in your own manuscript.

Polyptoton is the repeating of words derived from the same root. For example, hurried and hurrying derive from the same root word of hurry.

Attain means to succeed in achieving something or to reach a specified size or amount. Attain implies an effort to achieve, while obtain is to gain possession of something. However, in everyday usage both attain and obtain are often treated as synonyms.

Capitonyms are words whose meanings change when they are capitalised, such as mandarin (the fruit) and Mandarin (the language).

Assumption means to accept something as true which isn’t founded on strong evidence, while presumption is based on evidence which has some credibility.

Diction is the phrasing and word choice that someone makes when writing. In other words, it's the individual choice of words that shapes the voice and style of your prose.

Assent indicates the approval of something after careful consideration, while consent implies something is being allowed. For consent, the consenter may not necessarily be happy about the outcome.

An allusion is a common or well-known reference to something, such as a person, event, thing, or place.

Assemblage tends to be an informal collection while assembly refers to a more formalised group, such as a national assembly or school assembly.