The answers to the clues below have something in common. The first three are slightly different than the last three. 

1. A decent, honest man

2. An attempted violent overthrow of a govenrment

3. Showy and flashy stuff, but not of good quality and in poor taste

4. Whine and complain 

5. A small sample of fabric

6.  An informal social gathering, a for coffee and conversation

Answers:

 

1. MENSCH

2. PUTSCH

3. KITSCH

4. KVETCH

5. SWATCH

6. KLATCH - - - Six-letter words ending in SCH or TCH