Agerasia

agerasia (ayj-ur-ais-ia) noun: Exhibiting no signs of aging. Showing a youthful appearance not commensurate with old age.

"One sure way to avoid agerasia is to have a career in publishing."

Kench

kench (ken-ch) verb: To laugh really loudly. In recent times it has also become a semi-colloquial term for a bin to store fish guts. There are no known connections between the two.

"The publisher kenched in response to the author's request for an advance."