http://pipeline.corante.com/archives/2011/11/11/things_i_wont_work_with_hexanitrohexaazaisowurtzitane.php

(haw-naw-ree-fee-cub-eel-eat-two-dee-knee-taught-tea-boo-ss)
The dative and ablative plural of the mediæval Latin word honorificabilitudinitas, which can be translated as "the state of being able to achieve honours".

Good luck!

(sub-Asias)
1. Of or resembling sebum, fat, or tallow; fatty.
2. Secreting fat or a greasy lubricating substance.

APPOGGIATURA
(uh-pod-gee-to-ra)
A type of musical ornament, falling on the beat, which often creates a suspension and subtracts for itself half the time value of the principal note which follows. Comes from the Italian verb appoggiare, "to lean upon."

Editors note: I am terrible at spelling Italian words. I should fire this saurus and myself. Stupid double consonants.

Appoggiatura

(you-gun-t-shteel)
Another name for Art Nouveau, lit. "youth style"

(Maw-no-coke)
1. A type of vehicle construction (as of an automobile) in which the body is integral with the chassis.
2. A type of construction (as of a fuselage) in which the outer skin carries all or a major part of the stresses.

(Gah-limb-off-free)
1. A confused jumble or medley of things.
2. A hash made from diced or minced meat.

(jawed-purrs)
Full-length trousers, worn for horse riding, that are close-fitting below the knee and have reinforced patches on the inside of the leg. Traditional Jodhpurs are flared at the thighs and hips.

(Vittles)
Food supplies; provisions.

(Die-kloor-oh-die-floor-oh-meth-ain)

Dichlorodifluoromethane (R-12), also known as Freon-12. It is a colorless gas that was used as a refrigerant and aerosol spray propellant until 1994, when its manufacture was banned in many countries due to concerns about damage to the ozone layer.

Molar mass = 120.91 g mol^(-1)
Density = 1.486 g/cm³ (-29.8 °C)

(tree-sky-deck-of-oh-bee-yuh)
Fear of the number thirteen.