Coin

• obverse

  The side of a coin or medal bearing the principal stamp or design.

• reverse

  The side of a coin or medal that does not bear the principal design.

Also contains

• edge

  A sharp side formed by the intersection of two surfaces of an object; "he rounded the edges...

• front

  The side that is seen or that goes first.

• back

  The side that goes last or is not normally seen; "he wrote the date on the back of the pho...

• upper surface

  The side that is uppermost.

• starboard

  The right side of a ship or aircraft to someone who is aboard and facing the bow or n...

• broadside

  The whole side of a vessel from stem to stern; "the ship was broadside to the dock".

• port

  The left side of a ship or aircraft to someone who is aboard and facing the bow or nose.

• nearside

  The side of a vehicle nearest the kerb.

• beam

  The broad side of a ship; "they sighted land on the port beam".

• sidewall

  The side of an automobile tire; "the car had white sidewalls".

• soffit

  The underside of a part of a building (such as an arch or overhang or beam etc.).