Puzzle 1

Group of five bones between wrist and fingers.

High level of knowledge in a particular subject.

Madama __, Puccini opera set in Japan.

Nonsense, incoherent speech, gibberjabber.

People honor labor on the 1st Monday of this month.

Polish-American general semantics proponent Alfred.

Precious items, valuable pieces of art.

Rodentish wine fault leaving an unpleasant taste.

The very end of a digit.

Wicked person with no morals.