sexのようなどんな単語でも探してください。
 
1.
The combination of two or more words to create a new word. Also known as a frankenword or blend.

(sources: tnellen.com/cybereng/lit_terms and the wikipedia)
smog is the combination of smoke and fog

Lewis Carroll's Jabberwocky is loaded with portmanteau words.
insignisによって 2005年04月15日(金)
 
2.
a cliche and uncreative technique to form new words - almost anyone who can speak a language can fabricate words by butchering two perfectly good words and using cheap glue to form one ugly word
Awful portmanteau words include "brangelina", "craptacular", "adorkable" and "soquid".
Tojontoによって 2006年06月18日(日)
 
3.
1. an archaic word used by prissy netymologists on Wikipedia and Word Spy that means a blend word. A word formed by combining parts of two words

2. a two-compartment suitcase that has not been manufactured since the 1800s.

1. Wikipedia is a portmanteau of the words "wienie" and "encyclopedia".

2. I wonder if the luggage museum has a portmanteau?
slumdogによって 2009年01月27日(火)
 
4.
"'A large leather suitcase.' from French, port- (carry) and manteau (cloak)." Source: Dictionary.com(www.dictionary.com), retrieved 11/19/05.
"...sent her things on ahead via two steamer trunks, a hatbox, and an enormous portmanteau, covered in crocodile"
tazioによって 2005年11月19日(土)