地獄 - hell (n) - jigoku

売店 - stand, kiosk (n) - baiten

It's been over a month... hurrah!

Has anyone seriously studying Japanese actually learned something useful from this site?

Update: Due to the overwhelming response, I'm going on hiatus.

発音 - pronunciation (n) - hatsuon

Jamaican borrowed from Speak Jamaican.

服 - clothes (n) - fuku

辛い - spicy (adj) - karai

大勢 - a great number of people (n) - oozei