ketchup
KECH-uhp 
<Malay
a thick sauce of tomatoes, onions, and spices
drastic
DRAS-tik 
<Greek
having a strong effect; extreme
plankton
PLANGK-tuhn 
<Greek
the microscopic plant and animal life found floating in bodies of water
centurion
sen-TUHR-ee-uhn 
<Latin
the commanding officer of an ancient Roman military unit, originally of 100 men
trenchantly
TRENCH-uhnt-lee 
<English<French
in a sharply perceptive manner
obfuscate
AWB-fuhs-kayt 
<Latin
to confuse; to obscure; to darken
skookum
SKOO-kuhm 
<Chinook
marked by excellent quality; first-rate
loquacious
loh-KWAY-shuhs 
<Latin
given to excessive talking
aphelion
uh-FEEL-yuhn 
<Greek
the point in a planet's orbit most distant from the sun
cryptonym
KRIP-tuh-nim 
<Greek
 a secret name