Prefixes: A-d Period 4

Explanation
All the given words (antebellum, antedate, antecedent, antediluvian) have the prefix "ante-" which means "before" or "prior to". Therefore, all these words refer to something that existed or occurred before a particular event or time.

Explanation
The given words all start with the prefix "anti-", which means against or opposite. This prefix is commonly used to form words that describe something that is opposed to or counteracts something else. In this case, all of the words describe things that are opposed to or counteract social behavior (antisocial), Christ (antichrist), depression (antidepressant), freezing (antifreeze), and bacteria (antibiotic).

Explanation
The given answer consists of words that are all related to the prefix "auto-". This prefix is derived from the Greek word "autos" meaning "self" or "same", and it is commonly used to indicate something that is self-operating or self-contained. All of the words in the answer list are examples of this, as they all involve the concept of self-operation or self-containment in some way.

Explanation
All the given words start with the prefix "circum-", which means "around" or "surrounding". This prefix is derived from the Latin word "circum", meaning "around". The words "circumnavigate" and "circumvent" both involve going around or bypassing something. "Circumcision" refers to the removal of the foreskin of the penis, which can be seen as encircling or surrounding the tip. "Circumstance" refers to the conditions or factors that surround a situation. "Circumference" is the distance around the outer edge of a circle. "Circulatory" relates to the movement of fluids or substances in a circular or circuitous manner within the body.

Explanation
The given answer includes three words: cooperate, coauthor, and cosign. These words all have the prefix "co-" which means "together" or "with." In each of these words, the prefix is followed by a verb (operate, author, sign) indicating an action performed jointly or in collaboration with someone else. Therefore, all three words involve working together or sharing responsibility with others.

Explanation
The answer consists of a list of words that all begin with the prefix "con". This prefix means "together" or "with". Each of the words in the answer has a different meaning but all share the commonality of involving the idea of coming together or being joined in some way. "Convene" means to come together for a meeting or gathering, "compress" means to squeeze or press together, "contemporary" refers to something or someone existing or occurring at the same time, "converge" means to come together from different directions to meet at a common point, "compact" means closely packed together, and "combine" means to bring or join together.

Explanation
The given words "contradict, counteract, contravene, contrary" all have similar meanings related to opposing or going against something. "Contradict" means to assert the opposite of something, "counteract" means to neutralize the effect of something, "contravene" means to violate or go against a rule or principle, and "contrary" means to be opposite or opposed to something. Therefore, all of these words can be used to express the idea of going against or opposing something.

Explanation
The given words all start with the prefix "de-", which means "remove" or "undo". Each word represents a different action of removing or undoing something: detach means to remove or separate, deodorize means to remove odor, devoid means to be completely without, deflate means to remove air or reduce in size, degenerate means to decline or deteriorate, and decompose means to break down or decay.

Explanation
The given answer consists of words that start with the prefix "dia-". This prefix is derived from the Greek word "dia" meaning "through" or "across". All the words in the answer list have this common prefix and are related to the concept of "through" or "across" in some way.

Explanation
The given words all begin with the prefixes "dis," "dys," or "dif." These prefixes typically indicate negation, reversal, or separation. In each of the given words, the prefix is used to convey a sense of negation or separation. For example, "dismiss" means to reject or disregard, "differ" means to be unlike or distinct, and "disallow" means to refuse or prohibit. The other words in the list follow a similar pattern, using the prefixes to convey a sense of negation or separation in their respective meanings.