Crossword Puzzle Organ for eavesdropping

Clue: Organ for eavesdropping

Organic acid form (AMINO with 5 letters)
Organized U.S. militia force (NATIONALGUARD with 13 letters)
Pseudopod-forming organism (AMOEBA with 6 letters)
Formless organism (AMOEBA with 6 letters)
One form of a multiform organism (POLYTYPE with 8 letters)
Organization formed by the Treaty of Versailles (LEAGUEOFNATIONS with 15 letters)
Formal organization (ASSOCIATION with 11 letters)
Formal ways to organize notes (HARVARDOUTLINES with 15 letters)
Problem with an organ near a temple? (ACHE with 4 letters)
Set for eavesdropping, maybe (AJAR with 4 letters)