seaworthiness
SEE-wuhr-thee-nuhs 
<Latin + <English
being fit to travel by water
knavish
NAYV-ish 
<English
like a rogue; dishonest; fraudulent
insufferable
in-SUF-uhr-uh-buhl 
<Latin
intolerable; unbearable
iridesce
ir-uh-DES 
<Greek
to show rainbow-like colors
sessile
SES-uhl 
<Latin
permanently attached; not free to move around
valence
VAY-luhnts 
<Latin
the degree of combining power of an element
ennoble
en-NOH-buhl 
<English<French<Latin
to elevate in degree or excellence
thrombophlebitis
thrawm-boh-fluh-BY-tuhs 
<Greek
inflammation of a vein especially one with a blood clot 
neprolith
NEP-ruh-lith 
<Greek
a kidney stone
passimeter
puh-SIM-uh-tuhr 
<English + <Greek
a turnstile on a subway platform