GIN - A colourless non-aged alcoholic liquor made by distilling fermented grains such as barley, corn, oats or rye with juniper berries; the base for many cocktails.
PIG - Any of several mammals of the genus Sus, having cloven hooves, bristles and a nose adapted for digging; especially the domesticated farm animal Sus scrofa.
PIN - A small device, made (usually) of drawn-out steel wire with one end sharpened and the other flattened or rounded into a head, used for fastening.
RIG - The rigging of a sailing ship or other such craft.
RIP - A tear (in paper, etc.).
SIN - A violation of God's will or religious law.
SIP - A small mouthful of drink.
SIR - A man of a higher rank or position.
NIP - A small quantity of something edible or a potable liquor.
GRIN - A smile in which the lips are parted to reveal the teeth.
GRIP - To take hold of, particularly with the hand.
PING - A high-pitched, short and somewhat sharp sound.
RING - A circumscribing object, (roughly) circular and hollow, looking like an annual ring, earring, finger ring etc.
SIGN - A visible indication.
SING - To produce musical or harmonious sounds with one's voice.
SPIN - To rotate, revolve, gyrate (usually quickly); to partially or completely rotate to face another direction.
SNIP - To cut with short sharp actions, as with scissors.
SPRIG - A small shoot or twig of a tree or other plant; a spray.
SPRING - To jump or leap.