Heredity means the passing on of physical or mental characteristics genetically from one generation to another.

Hereditary = genetically transmitted or transmittable from parent to offspring

Genetics = a branch of biology that deals with the heredity and variation of organisms

Genesis = the origin or mode of formation of something

Inheritance = the genetic characters transmitted from parent to offspring, taken collectively

The correct word is "nocturnal" which means “of or relating to night; done, occurring, or coming at night”. The word "neurotic" means a mental disorder marked by anxiety or fear.

Rhetoric means language designed to have a persuasive or impressive effect, but which is often regarded as lacking in sincerity or meaningful content. 

Elocution means the skill of clear and expressive speech, especially of distinct pronunciation and articulation. 

Disquisition means a long or elaborate essay or discussion on a particular subject.

Verbalization refers to the act of saying something out loud.

Correspondingly, the word 'rhetoric' is the most suitable response. 

Corroborate means confirm or give support to (a statement, theory, or finding).

Implicate means show (someone) to be involved in a crime.

Designate means to appoint (someone) to a specified office or post.

Extricate means free (someone or something) from a constraint or difficulty.

Corresponding to the meanings, 'corroborate' is the most suitable response.

Fanatic= a person filled with excessive and single-minded zeal, especially for an extreme religious or political cause.

Bigot= a person who is intolerant towards those holding different opinions

So, the correct answer is "Bigot".

A special fondness or liking for is penchant. 

Propensity is a natural tendency. 

Inclination is also tendency. 

Preoccupation means the condition of being engrossed in something.

So, the correct word is "penchant".

Relating to kinship with the father is patrilineal. 

Matrilineal is relating to the mother. 

Familial is occurring within the family.

A part of the word that can be pronounced separately is syllable. 

Particle means the minor portion of matter. 

Sibilant are those that are sounded with a hissing effect. Eg sh

A drink made from one or more alcoholic drinks is cocktail. 

Mocktail is a non alcoholic drink made from a mixture of juices and other drinks. 

Bisque is a shellfish soup.

Pace = speed in walking, running, or moving

Tempo = he speed at which a passage of music is or should be played

Velodrome = a cycle-racing track, typically with steeply banked curves

Velocity = the speed of any object in a given direction

Thus, option D is the correct answer.