Portmanteau Definition
Portmanteau is a literary device in which two or more words are joined together to coined a new word relating to a single concept.

Portmanteau minting involves the joining and mixing of two or more words and the new word, that in the process has the same meanings as the original words. It is different from a compound word, which could have a completely different meaning than the words from which it was coined.

Portmanteau, on the other hand, has the same semantic characteristics. The word "brunch" is formed by putting two words "breakfast" and "lunch" together. The spliced ​​parts "br-" and "-unch" are mixed together to form a Portmanteau word, "brunch" which is the meal taken between breakfast and lunch. Interestingly, the word portmanteau is formed by mixing two French words, porter ("to wear") and manteau ("cloak").

Common Portmanteau examples
In this day and age, Portmanteau words have entered the English language regularly. We see theirs widely widespread coinage in various spheres of life, they are undoubtedly both useful and interesting. Below is a list of examples of Portmanteau modern language words + log = blog
iPod + Broadcasting = Podcasting
Examples of Portmanteau in Arts and Entertainment
The world of arts and entertainment is full of Portmanteau examples like:

britcom from the UK and comedy (see also: Sitcom)
californication, from California and Fornication
cassingle, from cassette single
cosplay, from costume and game
dramedy, from drama and comedy
religulous, from religion and ridiculous
sacrilicious, from sacrilege and delicious (Homer Simpson)
sanlation, from scan, comedy and translation and curve (baseball fields)
spife, spoon and knife
spork, spoon and fork
streetball, from street and basketball
Examples for Portmanteau in literature
Example 1: Through the mirror and what Alice found there (Lewis Carroll)
In literature, Lewis Carroll uses the term iff Portmanteau in his one novel "Through the Looking Glass and What Alice Found There." In Chapter 6, Humpty Dumpty explains the meanings of "Slithy" and "Mimsy" in the nonsense poem Jabberwocky. He says that "Slithy" is a combination of "Slimy" and "sleek" and "Mimsy" is a combination of "weak" and "wretched". He says to Alice:

"You see, it's like a portmanteau - there are two meanings that are summarized in one word."

Example 2: Finnegans Wake (by James Joyce)
James Joyce uses Portmanteau extensively in his novel Finnegans Wake- Words. For example:

Ethiquetical is formed from ethics and etiquette.
Blinkhards is coined from the Dutch “blink” (“to shine”) and the English “blink”.
“Stop his laysense.Ink him! "Laysense comes from the words" layman "and" sense ".
Sinduced is from" sin "and" seduced ".
Comeday is from" Someday "and" Comedy ". 3: Bleak House (by Charles Dickens)
Charles Dickens is famous for it to give his characters portmanteau names. Such names also correspond to the disposition of the individual characters. For example, there is a character in Bleakhouse called Mr.Tulkinghorn, a strong lawyer. Tulking is a modification of Bulking and Horn indicates a harmful nature .

Similar to Mr. Boythorn in Bleakhouse is a mix of childhood and the kindness of his heart. and thorn, which indicates its loud and rough nature. In addition, Mr. Murdstone appears to come from the words "murderer" and "stone" and refers to cold. In the secret of Edwin Drood, the name Crisparkle is a mixture of words "Christian" that manifest his goodness and "sparkle" that reflect his boyish temperament.

Function of Portmanteau
One of the many factors that make the English language different from other languages ​​of the world differ is the leeway it offers for creativity literary means like Portmanteau. The existence of Portmanteau words rightly testifies to this creative factor in the English language, in which entirely new words with a unique meaning are formed by mixing parts of two or more completely different words. Writers are interested in such coins because they allow them to add creativity to their works, which consequently adds the element of interest in their literary texts. In addition, it catches readers' attention as they enjoy it and I appreciate this subtle demonstration of the pun.
Polysyndeton Procatalepsis