Nepotism
Nepotism refers to favoritism based on kinship, and especially to the unfair practice of giving jobs and other favors to relatives.
// It was strongly believed that nepotism played a role in helping Jessica get the sales manager position at her cousin's store.
Grok
To grok something is to understand it both profoundly and intuitively.
// She enjoyed the deep discussions in her metaphysics class that helped her grok some of the main themes of Western philosophy.
Littoral
adjective: of or relating to a coastal or shore region
noun: the region of the shore of a lake, sea or ocean
Churlish
Churlish is a formal word that means “irritable and rude.”
// It would be churlish not to congratulate the winning team because we lost the match.
Zenith
Zenith refers to the strongest or most successful period of time for a person or thing
Mellifluous
Mellifluous is an adjective used in formal speech and writing to describe things with a smooth, flowing sound. It can also be used to mean “filled with something (such as honey) that sweetens,” as in “mellifluous confections.”