One word for that is "spoonerisms." See the Related Link.
Here are a few examples of spoonerisms: "You have hissed all my mystery lectures" instead of "You have missed all my history lectures." "A well-boiled icicle" instead of "A well-oiled bicycle." "Cheese and bespoke" instead of "Beezlebub and the like."
An oxymoron is a figure of speech in which apparently contradictory terms appear in conjunction. A spoonerism is a verbal error in which a speaker accidentally transposes the initial sounds or letters of two or more words, often to humorous effect, as in the sentence you have hissed the mystery lectures, accidentally spoken instead of the intended sentence you have missed the history lectures.
Hissed.
None.
Yes, "HISSED" is considered an onomatopoeia because it imitates the sound of a snake or cat making a sharp sibilant sound.
age eyelids car hissed miss in wells= "A Child's Christmas in Wales"
he got made at her
The dog barked loudly. The cat hissed at the dog. The dog barked loudly and the cat hissed at him.
they hissed at the teacher!
Deez (rhymes with ease) ist (rhymes with hissed)
Deez (rhymes with ease) ist (rhymes with hissed)
They are examples of onomatopoeia - the sound of the word miming the real-life sounds