You gain some facility at understanding foreign languages. The spell bestows on you the ability to understand languages as if possessing 4 ranks in the Linguistics skill. If you already have at least 4 ranks in Linguistics, comprehend languages instead grants you a +2 competence bonus on Linguistics checks made to understand a foreign language.
This spell has no effect on your ability to speak or write in foreign languages, to learn a new language, or to use innuendo.
Comprehend languages can be made permanent with a permanency? spell.
Arcane Material Component: A pinch of soot and salt.