fathom - 6 feet
Rod - 16.5 feet
furlong - 220 yds/660 feet/40 rods (1/8 mile)
chain - 66 feet (1/10 of a furlong)
Nautical mile - one minute of latitude (6076.115 feet)
fortnight - 14 days
You missed:
Hand - 4”
Stone - 14 lbs
Cubit - varies but approx 1/2 cu. meter