Some common single syllable concrete polysemic nouns:

Air
Arch
Arm
Back
Ball
Band
Bank
Bar
Base
Beam
Bed
Bee
Bell
Belt
Bit
Blank
Block
Board
Boot
Bolt
Bow
Box
Branch
Brush
Can
Case
Chip
Crank
Crib
Crop
Cross
Crown
Dog
Drum
Ear
Eye
Face
Field
File
Foot
Gear
Grain
Ground
Hand
Head
Heart
Heel
Horn
Jack
Jar
Jig
Key
Knot
Land
Lap
Leaf
Leg
Light
Line
Link
List
Lock
Mark
Mold
Mouth
Nail
Neck
Net
Nose
Nut
Pack
Pad
Page
Palm
Pan
Pen
Perch
Pike
Pipe
Pit
Plane
Plant
Plate
Point
Pole
Pool
Port
Post
Pot
Pump
Rack
Rail
Rib
Ring
Root
Sack
Salt
Sash
Saw
Scab
Scale
School
Screw
Seal
Shaft
Sheet
Shell
Shoe
Sign
Sling
Sole
Sound
Soup
Spark
Spike
Spring
Staff
Stall
Stick
Stock
Switch
Tack
Tail
Toe
Tongue
Tooth
Trace
Trap
Type
Vein
Well
Wing
Yard