khớp

Noun

 * 1)  joint (between two bones)
 * 2) joint; articulation

Verb

 * 1)  to fit together nicely; to fit like a glove; to mesh; to engage
 * 2) to put together (parts of something) to form a whole object; to match together
 * 3) to match to compare (whether two things are compatible)
 * 4) to correspond; to match; to be in agreement; to tally; to fit in with