Crossword Puzzle Groups of strings, maybe

Clue: Groups of strings, maybe

Office betting groups (POOLS with 5 letters)
Groups of staff officers (CADRES with 6 letters)
Office groups (STAFFS with 6 letters)
Offshoot groups (SECTS with 5 letters)
Language offshoots (DIALECTS with 8 letters)
Office seeker for short (POL with 3 letters)
Officer on the highway (TROOPER with 7 letters)
Birds Eye offering (FROZENFOOD with 10 letters)
Observance made official by President Wilson in 1914 (MOTHERSDAY with 10 letters)
Office status symbol (CARPET with 6 letters)