צוּק
From LSJ
English (Strong)
a primitive root (identical with צוּק through the idea of narrowness (of orifice)); to pour out, i.e. (figuratively) smelt, utter: be molten, pour.
a primitive root; to compress, i.e. (figuratively) oppress, distress: constrain, distress, lie sore, (op-)press(-or), straiten.