Answer:

BURRS

Answer	Crossword Clue
BURRS	Scots trills
BURRS	Ragged projections
BURRS	Ragged edges

BURRS	Scottish accents
BURRS	Scottish speech sounds
BURRS	Aaron and Raymond
BURRS	Certain accents
BURRS	Rough pronunciations.
BURRS	Pronounces r's roughly, as a Scot.
BURRS	Prickly seedcases.
BURRS	Pronunciation sounds.

BURRS	Sticktight seeds.
BURRS	Dentists' drills
BURRS	Prickly plants
BURRS	Aaron and others
BURRS	Trilling sounds
BURRS	Raymond and Aaron
BURRS	Certain chisels
BURRS	Nuts

BURRS	Rough metal edges
BURRS	Scots' accents
BURRS	Ragged edges, in metalworking
BURRS	Prickly husks
BURRS	Politician Aaron and actor Raymond
BURRS	Sounds in a Scot's speech
BURRS	Parts of Scottish accents
BURRS	Raymond and others

BURRS	Metal snaggers